228508624 has 10 divisors (see below), whose sum is σ = 442735490. Its totient is φ = 114254304.

The previous prime is 228508619. The next prime is 228508639. The reversal of 228508624 is 426805822.

It can be written as a sum of positive squares in only one way, i.e., 169833024 + 58675600 = 13032^2 + 7660^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7140879 + ... + 7140910.

It is an arithmetic number, because the mean of its divisors is an integer number (44273549).

Almost surely, 2^228508624 is an apocalyptic number.

It is an amenable number.

228508624 is a deficient number, since it is larger than the sum of its proper divisors (214226866).

228508624 is a wasteful number, since it uses less digits than its factorization.

228508624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14281797 (or 14281791 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 228508624 is about 15116.5017117057. The cubic root of 228508624 is about 611.3654122483.

The spelling of 228508624 in words is "two hundred twenty-eight million, five hundred eight thousand, six hundred twenty-four".