228137592 has 16 divisors (see below), whose sum is σ = 570344040. Its totient is φ = 76045856.

The previous prime is 228137573. The next prime is 228137627. The reversal of 228137592 is 295731822.

228137592 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 228137592.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4752843 + ... + 4752890.

Almost surely, 2^228137592 is an apocalyptic number.

It is an amenable number.

228137592 is an abundant number, since it is smaller than the sum of its proper divisors (342206448).

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

228137592 is a wasteful number, since it uses less digits than its factorization.

228137592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9505742 (or 9505738 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 228137592 is about 15104.2243097751. The cubic root of 228137592 is about 611.0343393831.

The spelling of 228137592 in words is "two hundred twenty-eight million, one hundred thirty-seven thousand, five hundred ninety-two".