228802508 has 24 divisors (see below), whose sum is σ = 438637584. Its totient is φ = 103564800.

The previous prime is 228802499. The next prime is 228802517. The reversal of 228802508 is 805208822.

It is an interprime number because it is at equal distance from previous prime (228802499) and next prime (228802517).

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185 + ... + 21392.

It is an arithmetic number, because the mean of its divisors is an integer number (18276566).

Almost surely, 2^228802508 is an apocalyptic number.

It is an amenable number.

228802508 is a deficient number, since it is larger than the sum of its proper divisors (209835076).

228802508 is a wasteful number, since it uses less digits than its factorization.

228802508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21833 (or 21831 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 228802508 is about 15126.2192235866. The cubic root of 228802508 is about 611.6273914830.

The spelling of 228802508 in words is "two hundred twenty-eight million, eight hundred two thousand, five hundred eight".