222149863901808 has 100 divisors (see below), whose sum is σ = 643515235844008. Its totient is φ = 73986717617280.

The previous prime is 222149863901753. The next prime is 222149863901809. The reversal of 222149863901808 is 808109368941222.

222149863901808 is a `hidden beast` number, since 2 + 2 + 2 + 1 + 498 + 63 + 9 + 0 + 1 + 80 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222149863901809) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 71672791 + ... + 74708022.

Almost surely, 2^{222149863901808} is an apocalyptic number.

It is an amenable number.

222149863901808 is an abundant number, since it is smaller than the sum of its proper divisors (421365371942200).

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

222149863901808 is a wasteful number, since it uses less digits than its factorization.

222149863901808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146382004 (or 146381989 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 63.

The spelling of 222149863901808 in words is "two hundred twenty-two trillion, one hundred forty-nine billion, eight hundred sixty-three million, nine hundred one thousand, eight hundred eight".