228908908632 has 64 divisors (see below), whose sum is σ = 579000895200. Its totient is φ = 75408076800.

The previous prime is 228908908573. The next prime is 228908908637. The reversal of 228908908632 is 236809809822.

It is a super-2 number, since 2×228908908632² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228908908637) 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 15 ways as a sum of consecutive naturals, for example, 1561794 + ... + 1702062.

Almost surely, 2^228908908632 is an apocalyptic number.

It is an amenable number.

228908908632 is an abundant number, since it is smaller than the sum of its proper divisors (350091986568).

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

228908908632 is a wasteful number, since it uses less digits than its factorization.

228908908632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141076 (or 141072 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 57.

The spelling of 228908908632 in words is "two hundred twenty-eight billion, nine hundred eight million, nine hundred eight thousand, six hundred thirty-two".