222761564 has 12 divisors (see below), whose sum is σ = 390007464. Its totient is φ = 111330864.

The previous prime is 222761549. The next prime is 222761603. The reversal of 222761564 is 465167222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334 + ... + 21149.

It is an arithmetic number, because the mean of its divisors is an integer number (32500622).

Almost surely, 2^222761564 is an apocalyptic number.

It is an amenable number.

222761564 is a deficient number, since it is larger than the sum of its proper divisors (167245900).

222761564 is a wasteful number, since it uses less digits than its factorization.

222761564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24964 (or 24962 counting only the distinct ones).

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

The square root of 222761564 is about 14925.1989601479. The cubic root of 222761564 is about 606.1964929005.

The spelling of 222761564 in words is "two hundred twenty-two million, seven hundred sixty-one thousand, five hundred sixty-four".