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22225350312 = 23321128062311
BaseRepresentation
bin10100101100101110…
…111110111010101000
32010100220220202222200
4110230232332322220
5331004142202222
614113222220200
71414523234454
oct245456767250
963326822880
1022225350312
1194756a3710
124383284660
132132743a79
14110ba81664
158a12e3eac
hex52cbbeea8

22225350312 has 48 divisors (see below), whose sum is σ = 65665810080. Its totient is φ = 6734954400.

The previous prime is 22225350283. The next prime is 22225350379. The reversal of 22225350312 is 21305352222.

It is a super-2 number, since 2×222253503122 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14030364 + ... + 14031947.

It is an arithmetic number, because the mean of its divisors is an integer number (1368037710).

Almost surely, 222225350312 is an apocalyptic number.

22225350312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22225350312 is an abundant number, since it is smaller than the sum of its proper divisors (43440459768).

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

22225350312 is a wasteful number, since it uses less digits than its factorization.

22225350312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28062334 (or 28062327 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 22225350312 in words is "twenty-two billion, two hundred twenty-five million, three hundred fifty thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 132 198 264 396 792 28062311 56124622 84186933 112249244 168373866 224498488 252560799 308685421 336747732 505121598 617370842 673495464 926056263 1010243196 1234741684 1852112526 2020486392 2469483368 2778168789 3704225052 5556337578 7408450104 11112675156 22225350312