228140624 has 20 divisors (see below), whose sum is σ = 447620160. Its totient is φ = 112625760.

The previous prime is 228140623. The next prime is 228140639. The reversal of 228140624 is 426041822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228140623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88982 + ... + 91509.

It is an arithmetic number, because the mean of its divisors is an integer number (22381008).

Almost surely, 2^228140624 is an apocalyptic number.

It is an amenable number.

228140624 is a deficient number, since it is larger than the sum of its proper divisors (219479536).

228140624 is a wasteful number, since it uses less digits than its factorization.

228140624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180578 (or 180572 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 228140624 is about 15104.3246787137. The cubic root of 228140624 is about 611.0370462991.

The spelling of 228140624 in words is "two hundred twenty-eight million, one hundred forty thousand, six hundred twenty-four".