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23222331320 = 2356766113109
BaseRepresentation
bin10101101000001010…
…001010011110111000
32012221101220122211012
4111220022022132320
5340024404100240
614400155053052
71451320362566
oct255012123670
965841818735
1023222331320
119937445261
124601141188
132261164a66
1411a4244a36
1590dacab65
hex56828a7b8

23222331320 has 64 divisors (see below), whose sum is σ = 53114378400. Its totient is φ = 9135751680.

The previous prime is 23222331283. The next prime is 23222331323. The reversal of 23222331320 is 2313322232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23222331323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1764926 + ... + 1778034.

Almost surely, 223222331320 is an apocalyptic number.

23222331320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23222331320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26557189200).

23222331320 is an abundant number, since it is smaller than the sum of its proper divisors (29892047080).

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

23222331320 is a wasteful number, since it uses less digits than its factorization.

23222331320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13848 (or 13844 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 23222331320 its reverse (2313322232), we get a palindrome (25535653552).

The spelling of 23222331320 in words is "twenty-three billion, two hundred twenty-two million, three hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 67 134 268 335 536 661 670 1322 1340 2644 2680 3305 5288 6610 13109 13220 26218 26440 44287 52436 65545 88574 104872 131090 177148 221435 262180 354296 442870 524360 878303 885740 1756606 1771480 3513212 4391515 7026424 8665049 8783030 17330098 17566060 34660196 35132120 43325245 69320392 86650490 173300980 346601960 580558283 1161116566 2322233132 2902791415 4644466264 5805582830 11611165660 23222331320