225513744 has 40 divisors (see below), whose sum is σ = 602669760. Its totient is φ = 72578688.

The previous prime is 225513737. The next prime is 225513787. The reversal of 225513744 is 447315522.

It is a nialpdrome in base 16.

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, 79612 + ... + 82395.

It is an arithmetic number, because the mean of its divisors is an integer number (15066744).

Almost surely, 2^225513744 is an apocalyptic number.

225513744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

225513744 is an abundant number, since it is smaller than the sum of its proper divisors (377156016).

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

225513744 is a wasteful number, since it uses less digits than its factorization.

225513744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162047 (or 162041 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 225513744 is about 15017.1150358516. The cubic root of 225513744 is about 608.6827654213.

The spelling of 225513744 in words is "two hundred twenty-five million, five hundred thirteen thousand, seven hundred forty-four".