224472840 has 64 divisors (see below), whose sum is σ = 708868800. Its totient is φ = 56708352.

The previous prime is 224472797. The next prime is 224472851. The reversal of 224472840 is 48274422.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46947 + ... + 51506.

It is an arithmetic number, because the mean of its divisors is an integer number (11076075).

Almost surely, 2^224472840 is an apocalyptic number.

224472840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224472840 is an abundant number, since it is smaller than the sum of its proper divisors (484395960).

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

224472840 is a wasteful number, since it uses less digits than its factorization.

224472840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98486 (or 98482 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 33.

The square root of 224472840 is about 14982.4176954189. The cubic root of 224472840 is about 607.7448216444.

The spelling of 224472840 in words is "two hundred twenty-four million, four hundred seventy-two thousand, eight hundred forty".