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22023212310 = 23451123107467
BaseRepresentation
bin10100100000101011…
…111000110100010110
32002211211120002210000
4110200223320310112
5330100420243220
614041201512130
71406520134031
oct244053706426
962754502700
1022023212310
119381590410
124327642646
1320cc8bb598
1410ccca4018
1588d6b6390
hex520af8d16

22023212310 has 160 divisors (see below), whose sum is σ = 67410807552. Its totient is φ = 5106784320.

The previous prime is 22023212297. The next prime is 22023212327. The reversal of 22023212310 is 1321232022.

It is a super-2 number, since 2×220232123102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 151197 + ... + 258663.

Almost surely, 222023212310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22023212310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33705403776).

22023212310 is an abundant number, since it is smaller than the sum of its proper divisors (45387595242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22023212310 is a wasteful number, since it uses less digits than its factorization.

22023212310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107520 (or 107511 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22023212310 its reverse (1321232022), we get a palindrome (23344444332).

The spelling of 22023212310 in words is "twenty-two billion, twenty-three million, two hundred twelve thousand, three hundred ten".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 23 27 30 33 45 46 54 55 66 69 81 90 99 110 115 135 138 162 165 198 207 230 253 270 297 330 345 405 414 495 506 594 621 690 759 810 891 990 1035 1242 1265 1485 1518 1782 1863 2070 2277 2530 2970 3105 3726 3795 4455 4554 6210 6831 7590 8910 9315 11385 13662 18630 20493 22770 34155 40986 68310 102465 107467 204930 214934 322401 537335 644802 967203 1074670 1182137 1612005 1934406 2364274 2471741 2901609 3224010 3546411 4836015 4943482 5803218 5910685 7092822 7415223 8704827 9672030 10639233 11821370 12358705 14508045 14830446 17409654 17732055 21278466 22245669 24717410 27189151 29016090 31917699 35464110 37076115 43524135 44491338 53196165 54378302 63835398 66737007 74152230 81567453 87048270 95753097 106392330 111228345 133474014 135945755 159588495 163134906 191506194 200211021 222456690 244702359 271891510 319176990 333685035 400422042 407837265 478765485 489404718 667370070 734107077 815674530 957530970 1001055105 1223511795 1468214154 2002110210 2202321231 2447023590 3670535385 4404642462 7341070770 11011606155 22023212310