228587264 has 18 divisors (see below), whose sum is σ = 456282120. Its totient is φ = 114293504.

The previous prime is 228587257. The next prime is 228587297. The reversal of 228587264 is 462785822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 446204 + ... + 446715.

Almost surely, 2^228587264 is an apocalyptic number.

It is an amenable number.

228587264 is a deficient number, since it is larger than the sum of its proper divisors (227694856).

228587264 is an frugal number, since it uses more digits than its factorization.

228587264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892935 (or 892921 counting only the distinct ones).

The product of its digits is 430080, while the sum is 44.

The square root of 228587264 is about 15119.1026188726. The cubic root of 228587264 is about 611.4355368983.

The spelling of 228587264 in words is "two hundred twenty-eight million, five hundred eighty-seven thousand, two hundred sixty-four".