228621602 has 16 divisors (see below), whose sum is σ = 374752224. Its totient is φ = 103740000.

The previous prime is 228621571. The next prime is 228621629. The reversal of 228621602 is 206126822.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4577 + ... + 21867.

It is an arithmetic number, because the mean of its divisors is an integer number (23422014).

Almost surely, 2^228621602 is an apocalyptic number.

228621602 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

228621602 is a deficient number, since it is larger than the sum of its proper divisors (146130622).

228621602 is a wasteful number, since it uses less digits than its factorization.

228621602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17905.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 228621602 is about 15120.2381595000. The cubic root of 228621602 is about 611.4661516431.

The spelling of 228621602 in words is "two hundred twenty-eight million, six hundred twenty-one thousand, six hundred two".