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244222230 = 23577389179
BaseRepresentation
bin11101000111010…
…00100100010110
3122000112202220210
432203220210112
51000010102410
640122310250
76023566110
oct1643504426
9560482823
10244222230
1111594785a
1269958386
133b79b8c5
14246143b0
1516692220
hexe8e8916

244222230 has 128 divisors (see below), whose sum is σ = 690508800. Its totient is φ = 54134784.

The previous prime is 244222213. The next prime is 244222243. The reversal of 244222230 is 32222442.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 244222197 and 244222206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1364281 + ... + 1364459.

It is an arithmetic number, because the mean of its divisors is an integer number (5394600).

Almost surely, 2244222230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244222230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345254400).

244222230 is an abundant number, since it is smaller than the sum of its proper divisors (446286570).

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

244222230 is a wasteful number, since it uses less digits than its factorization.

244222230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 244222230 is about 15627.6111418220. The cubic root of 244222230 is about 625.0696285094.

Adding to 244222230 its reverse (32222442), we get a palindrome (276444672).

The spelling of 244222230 in words is "two hundred forty-four million, two hundred twenty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 73 89 105 146 178 179 210 219 267 358 365 438 445 511 534 537 623 730 890 895 1022 1074 1095 1246 1253 1335 1533 1790 1869 2190 2506 2555 2670 2685 3066 3115 3738 3759 5110 5370 6230 6265 6497 7518 7665 9345 12530 12994 13067 15330 15931 18690 18795 19491 26134 31862 32485 37590 38982 39201 45479 47793 64970 65335 78402 79655 90958 91469 95586 97455 111517 130670 136437 159310 182938 194910 196005 223034 227395 238965 272874 274407 334551 392010 454790 457345 477930 548814 557585 669102 682185 914690 1115170 1162963 1364370 1372035 1672755 2325926 2744070 3345510 3488889 5814815 6977778 8140741 11629630 16281482 17444445 24422223 34888890 40703705 48844446 81407410 122111115 244222230