224494864 has 20 divisors (see below), whose sum is σ = 474500880. Its totient is φ = 102043040.

The previous prime is 224494859. The next prime is 224494943. The reversal of 224494864 is 468494422.

It is a self number, because there is not a number n which added to its sum of digits gives 224494864.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637594 + ... + 637945.

It is an arithmetic number, because the mean of its divisors is an integer number (23725044).

Almost surely, 2^224494864 is an apocalyptic number.

It is an amenable number.

224494864 is an abundant number, since it is smaller than the sum of its proper divisors (250006016).

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

224494864 is a wasteful number, since it uses less digits than its factorization.

224494864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275558 (or 1275552 counting only the distinct ones).

The product of its digits is 442368, while the sum is 43.

The square root of 224494864 is about 14983.1526722516. The cubic root of 224494864 is about 607.7646971510.

The spelling of 224494864 in words is "two hundred twenty-four million, four hundred ninety-four thousand, eight hundred sixty-four".