228655460 has 24 divisors (see below), whose sum is σ = 523829376. Its totient is φ = 83147360.

The previous prime is 228655447. The next prime is 228655501. The reversal of 228655460 is 64556822.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519452 + ... + 519891.

It is an arithmetic number, because the mean of its divisors is an integer number (21826224).

Almost surely, 2^228655460 is an apocalyptic number.

228655460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228655460 is an abundant number, since it is smaller than the sum of its proper divisors (295173916).

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

228655460 is a wasteful number, since it uses less digits than its factorization.

228655460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039363 (or 1039361 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 228655460 is about 15121.3577432716. The cubic root of 228655460 is about 611.4963354327.

The spelling of 228655460 in words is "two hundred twenty-eight million, six hundred fifty-five thousand, four hundred sixty".