228627760 has 40 divisors (see below), whose sum is σ = 559540080. Its totient is φ = 86637312.

The previous prime is 228627757. The next prime is 228627803. The reversal of 228627760 is 67726822.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73687 + ... + 76726.

It is an arithmetic number, because the mean of its divisors is an integer number (13988502).

Almost surely, 2^228627760 is an apocalyptic number.

228627760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228627760 is an abundant number, since it is smaller than the sum of its proper divisors (330912320).

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

228627760 is a wasteful number, since it uses less digits than its factorization.

228627760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150445 (or 150439 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 228627760 is about 15120.4417924874. The cubic root of 228627760 is about 611.4716416095.

The spelling of 228627760 in words is "two hundred twenty-eight million, six hundred twenty-seven thousand, seven hundred sixty".