222042664 has 32 divisors (see below), whose sum is σ = 447580800. Its totient is φ = 102936960.

The previous prime is 222042643. The next prime is 222042671. The reversal of 222042664 is 466240222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8397 + ... + 22684.

It is an arithmetic number, because the mean of its divisors is an integer number (13986900).

Almost surely, 2^222042664 is an apocalyptic number.

It is an amenable number.

222042664 is an abundant number, since it is smaller than the sum of its proper divisors (225538136).

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

222042664 is a wasteful number, since it uses less digits than its factorization.

222042664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31153 (or 31149 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 222042664 is about 14901.0960670684. The cubic root of 222042664 is about 605.5436808465.

Adding to 222042664 its reverse (466240222), we get a palindrome (688282886).

The spelling of 222042664 in words is "two hundred twenty-two million, forty-two thousand, six hundred sixty-four".