228340756 has 12 divisors (see below), whose sum is σ = 456681568. Its totient is φ = 97860312.

The previous prime is 228340747. The next prime is 228340771. The reversal of 228340756 is 657043822.

228340756 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, 4077486 + ... + 4077541.

Almost surely, 2^228340756 is an apocalyptic number.

It is an amenable number.

228340756 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.

228340756 is a wasteful number, since it uses less digits than its factorization.

228340756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8155038 (or 8155036 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 228340756 is about 15110.9482164423. The cubic root of 228340756 is about 611.2156676002.

The spelling of 228340756 in words is "two hundred twenty-eight million, three hundred forty thousand, seven hundred fifty-six".