228553724 has 12 divisors (see below), whose sum is σ = 457107504. Its totient is φ = 97951584.

The previous prime is 228553711. The next prime is 228553769. The reversal of 228553724 is 427355822.

228553724 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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, 4081289 + ... + 4081344.

It is an arithmetic number, because the mean of its divisors is an integer number (38092292).

Almost surely, 2^228553724 is an apocalyptic number.

It is an amenable number.

228553724 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

228553724 is a wasteful number, since it uses less digits than its factorization.

228553724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8162644 (or 8162642 counting only the distinct ones).

The product of its digits is 134400, while the sum is 38.

The square root of 228553724 is about 15117.9933853670. The cubic root of 228553724 is about 611.4056306667.

The spelling of 228553724 in words is "two hundred twenty-eight million, five hundred fifty-three thousand, seven hundred twenty-four".