222964624 has 15 divisors (see below), whose sum is σ = 432109713. Its totient is φ = 111452448.

The previous prime is 222964619. The next prime is 222964631. The reversal of 222964624 is 426469222.

The square root of 222964624 is 14932.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 122323600 + 100641024 = 11060^2 + 10032^2 .

It is a super-2 number, since 2×222964624² = 99426447110922752, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 57862 + ... + 61594.

Almost surely, 2^222964624 is an apocalyptic number.

222964624 is the 14932-nd square number.

It is an amenable number.

222964624 is a deficient number, since it is larger than the sum of its proper divisors (209145089).

222964624 is an frugal number, since it uses more digits than its factorization.

222964624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7474 (or 3735 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The cubic root of 222964624 is about 606.3806313040.

Multiplying 222964624 by its product of digits (82944), we get a square (18493577773056 = 4300416²).

The spelling of 222964624 in words is "two hundred twenty-two million, nine hundred sixty-four thousand, six hundred twenty-four".