228637002 has 24 divisors (see below), whose sum is σ = 502625088. Its totient is φ = 69283720.

The previous prime is 228637001. The next prime is 228637007. The reversal of 228637002 is 200736822.

It is not an unprimeable number, because it can be changed into a prime (228637001) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 156738 + ... + 158189.

It is an arithmetic number, because the mean of its divisors is an integer number (20942712).

Almost surely, 2^228637002 is an apocalyptic number.

228637002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

228637002 is an abundant number, since it is smaller than the sum of its proper divisors (273988086).

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

228637002 is a wasteful number, since it uses less digits than its factorization.

228637002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314954 (or 314943 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 228637002 is about 15120.7474021624. The cubic root of 228637002 is about 611.4798808317.

The spelling of 228637002 in words is "two hundred twenty-eight million, six hundred thirty-seven thousand, two".