222157664 has 24 divisors (see below), whose sum is σ = 437737608. Its totient is φ = 110986240.

The previous prime is 222157643. The next prime is 222157679. The reversal of 222157664 is 466751222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52259 + ... + 56349.

It is an arithmetic number, because the mean of its divisors is an integer number (18239067).

Almost surely, 2^222157664 is an apocalyptic number.

It is an amenable number.

222157664 is a deficient number, since it is larger than the sum of its proper divisors (215579944).

222157664 is a wasteful number, since it uses less digits than its factorization.

222157664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5798 (or 5790 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 222157664 is about 14904.9543441099. The cubic root of 222157664 is about 605.6482035589.

The spelling of 222157664 in words is "two hundred twenty-two million, one hundred fifty-seven thousand, six hundred sixty-four".