222815961137 has 12 divisors (see below), whose sum is σ = 282757175856. Its totient is φ = 173622826440.

The previous prime is 222815961133. The next prime is 222815961161. The reversal of 222815961137 is 731169518222.

It is not a de Polignac number, because 222815961137 - 2² = 222815961133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222815961091 and 222815961100.

It is not an unprimeable number, because it can be changed into a prime (222815961133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206693303 + ... + 206694380.

It is an arithmetic number, because the mean of its divisors is an integer number (23563097988).

Almost surely, 2^222815961137 is an apocalyptic number.

It is an amenable number.

222815961137 is a deficient number, since it is larger than the sum of its proper divisors (59941214719).

222815961137 is a wasteful number, since it uses less digits than its factorization.

222815961137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413387708 (or 413387701 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The spelling of 222815961137 in words is "two hundred twenty-two billion, eight hundred fifteen million, nine hundred sixty-one thousand, one hundred thirty-seven".