228556752 has 40 divisors (see below), whose sum is σ = 600125280. Its totient is φ = 74935680.

The previous prime is 228556751. The next prime is 228556777. The reversal of 228556752 is 257655822.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228556751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36102 + ... + 41957.

It is an arithmetic number, because the mean of its divisors is an integer number (15003132).

Almost surely, 2^228556752 is an apocalyptic number.

It is an amenable number.

228556752 is an abundant number, since it is smaller than the sum of its proper divisors (371568528).

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

228556752 is a wasteful number, since it uses less digits than its factorization.

228556752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78131 (or 78125 counting only the distinct ones).

The product of its digits is 336000, while the sum is 42.

The square root of 228556752 is about 15118.0935306010. The cubic root of 228556752 is about 611.4083307293.

The spelling of 228556752 in words is "two hundred twenty-eight million, five hundred fifty-six thousand, seven hundred fifty-two".