222221312125200 has 180 divisors, whose sum is σ = 799731521611568. Its totient is φ = 59259016540800.

The previous prime is 222221312125147. The next prime is 222221312125201. The reversal of 222221312125200 is 2521213122222.

222221312125200 is a `hidden beast` number, since 2 + 2 + 2 + 2 + 2 + 13 + 121 + 2 + 520 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (222221312125201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1143016546 + ... + 1143210945.

Almost surely, 2^{222221312125200} is an apocalyptic number.

222221312125200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222221312125200 is an abundant number, since it is smaller than the sum of its proper divisors (577510209486368).

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

222221312125200 is a wasteful number, since it uses less digits than its factorization.

222221312125200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286227524 (or 2286227501 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 222221312125200 its reverse (2521213122222), we get a palindrome (224742525247422).

The spelling of 222221312125200 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, three hundred twelve million, one hundred twenty-five thousand, two hundred".