228175444 has 12 divisors (see below), whose sum is σ = 456350944. Its totient is φ = 97789464.

The previous prime is 228175421. The next prime is 228175457. The reversal of 228175444 is 444571822.

228175444 is an admirable number.

It is a hoax number, since the sum of its digits (37) 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, 4074534 + ... + 4074589.

Almost surely, 2^228175444 is an apocalyptic number.

It is an amenable number.

228175444 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.

228175444 is a wasteful number, since it uses less digits than its factorization.

228175444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8149134 (or 8149132 counting only the distinct ones).

The product of its digits is 71680, while the sum is 37.

The square root of 228175444 is about 15105.4772847467. The cubic root of 228175444 is about 611.0681312607.

The spelling of 228175444 in words is "two hundred twenty-eight million, one hundred seventy-five thousand, four hundred forty-four".