225415104 has 56 divisors (see below), whose sum is σ = 631502928. Its totient is φ = 70717440.

The previous prime is 225415093. The next prime is 225415129. The reversal of 225415104 is 401514522.

It is a super-2 number, since 2×225415104² = 101623938222661632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31267 + ... + 37794.

It is an arithmetic number, because the mean of its divisors is an integer number (11276838).

Almost surely, 2^225415104 is an apocalyptic number.

225415104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

225415104 is an abundant number, since it is smaller than the sum of its proper divisors (406087824).

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

225415104 is a wasteful number, since it uses less digits than its factorization.

225415104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69093 (or 69083 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 225415104 is about 15013.8304239791. The cubic root of 225415104 is about 608.5940062723.

Adding to 225415104 its reverse (401514522), we get a palindrome (626929626).

The spelling of 225415104 in words is "two hundred twenty-five million, four hundred fifteen thousand, one hundred four".