88539228 has 18 divisors (see below), whose sum is σ = 223807584. Its totient is φ = 29513064.

The previous prime is 88539197. The next prime is 88539257. The reversal of 88539228 is 82293588.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1229676 + ... + 1229747.

Almost surely, 2^88539228 is an apocalyptic number.

It is an amenable number.

88539228 is an abundant number, since it is smaller than the sum of its proper divisors (135268356).

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

88539228 is a wasteful number, since it uses less digits than its factorization.

88539228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459433 (or 2459428 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 88539228 is about 9409.5285748012. The cubic root of 88539228 is about 445.7026780930.

It can be divided in two parts, 8853 and 9228, that added together give a palindrome (18081).

The spelling of 88539228 in words is "eighty-eight million, five hundred thirty-nine thousand, two hundred twenty-eight".