222546901870728 has 48 divisors (see below), whose sum is σ = 625054570074480. Its totient is φ = 74182300622928.

The previous prime is 222546901870607. The next prime is 222546901870753. The reversal of 222546901870728 is 827078109645222.

222546901870728 is a `hidden beast` number, since 2 + 2 + 2 + 546 + 9 + 0 + 1 + 87 + 0 + 7 + 2 + 8 = 666.

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, 57239427550 + ... + 57239431437.

It is an arithmetic number, because the mean of its divisors is an integer number (13021970209885).

Almost surely, 2^{222546901870728} is an apocalyptic number.

It is an amenable number.

222546901870728 is an abundant number, since it is smaller than the sum of its proper divisors (402507668203752).

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

222546901870728 is a wasteful number, since it uses less digits than its factorization.

222546901870728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114478859008 (or 114478858992 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 63.

The spelling of 222546901870728 in words is "two hundred twenty-two trillion, five hundred forty-six billion, nine hundred one million, eight hundred seventy thousand, seven hundred twenty-eight".