222644464 has 40 divisors (see below), whose sum is σ = 493841408. Its totient is φ = 95256000.

The previous prime is 222644453. The next prime is 222644519. The reversal of 222644464 is 464446222.

It is a congruent number.

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, 82789 + ... + 85435.

Almost surely, 2^222644464 is an apocalyptic number.

It is an amenable number.

222644464 is an abundant number, since it is smaller than the sum of its proper divisors (271196944).

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

222644464 is a wasteful number, since it uses less digits than its factorization.

222644464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413 (or 3407 counting only the distinct ones).

The product of its digits is 73728, while the sum is 34.

The square root of 222644464 is about 14921.2755486922. The cubic root of 222644464 is about 606.0902536701.

The spelling of 222644464 in words is "two hundred twenty-two million, six hundred forty-four thousand, four hundred sixty-four".