228562028 has 24 divisors (see below), whose sum is σ = 410828880. Its totient is φ = 111202560.

The previous prime is 228561943. The next prime is 228562043. The reversal of 228562028 is 820265822.

228562028 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

228562028 is strictly pandigital in base 9.

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, 45968 + ... + 50696.

It is an arithmetic number, because the mean of its divisors is an integer number (17117870).

Almost surely, 2^228562028 is an apocalyptic number.

It is an amenable number.

228562028 is a deficient number, since it is larger than the sum of its proper divisors (182266852).

228562028 is a wasteful number, since it uses less digits than its factorization.

228562028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5057 (or 5055 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 228562028 is about 15118.2680224952. The cubic root of 228562028 is about 611.4130352727.

The spelling of 228562028 in words is "two hundred twenty-eight million, five hundred sixty-two thousand, twenty-eight".