222449168961 has 24 divisors (see below), whose sum is σ = 340234861824. Its totient is φ = 139568365440.

The previous prime is 222449168959. The next prime is 222449168983. The reversal of 222449168961 is 169861944222.

222449168961 is a `hidden beast` number, since 2 + 2 + 2 + 4 + 491 + 68 + 96 + 1 = 666.

It is not a de Polignac number, because 222449168961 - 2¹ = 222449168959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222449168898 and 222449168907.

It is not an unprimeable number, because it can be changed into a prime (222449168911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4441320 + ... + 4491126.

It is an arithmetic number, because the mean of its divisors is an integer number (14176452576).

Almost surely, 2^222449168961 is an apocalyptic number.

It is an amenable number.

222449168961 is a deficient number, since it is larger than the sum of its proper divisors (117785692863).

222449168961 is a wasteful number, since it uses less digits than its factorization.

222449168961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79021 (or 79018 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The spelling of 222449168961 in words is "two hundred twenty-two billion, four hundred forty-nine million, one hundred sixty-eight thousand, nine hundred sixty-one".