225015124 has 12 divisors (see below), whose sum is σ = 394968448. Its totient is φ = 112167000.

The previous prime is 225015121. The next prime is 225015169. The reversal of 225015124 is 421510522.

It is a junction number, because it is equal to n+sod(n) for n = 225015095 and 225015104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225015121) 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, 83652 + ... + 86299.

Almost surely, 2^225015124 is an apocalyptic number.

It is an amenable number.

225015124 is a deficient number, since it is larger than the sum of its proper divisors (169953324).

225015124 is a wasteful number, since it uses less digits than its factorization.

225015124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170286 (or 170284 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 225015124 is about 15000.5041248619. The cubic root of 225015124 is about 608.2338269887.

Adding to 225015124 its reverse (421510522), we get a palindrome (646525646).

The spelling of 225015124 in words is "two hundred twenty-five million, fifteen thousand, one hundred twenty-four".