224515172 has 48 divisors (see below), whose sum is σ = 476528640. Its totient is φ = 90411552.

The previous prime is 224515127. The next prime is 224515199. The reversal of 224515172 is 271515422.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65903 + ... + 69225.

It is an arithmetic number, because the mean of its divisors is an integer number (9927680).

Almost surely, 2^224515172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224515172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238264320).

224515172 is an abundant number, since it is smaller than the sum of its proper divisors (252013468).

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

224515172 is a wasteful number, since it uses less digits than its factorization.

224515172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480 (or 3478 counting only the distinct ones).

The product of its digits is 5600, while the sum is 29.

The square root of 224515172 is about 14983.8303514155. The cubic root of 224515172 is about 607.7830229055.

The spelling of 224515172 in words is "two hundred twenty-four million, five hundred fifteen thousand, one hundred seventy-two".