224393972 has 24 divisors (see below), whose sum is σ = 429401280. Its totient is φ = 101756160.

The previous prime is 224393969. The next prime is 224393987. The reversal of 224393972 is 279393422.

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, 13508 + ... + 25124.

It is an arithmetic number, because the mean of its divisors is an integer number (17891720).

Almost surely, 2^224393972 is an apocalyptic number.

224393972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

224393972 is a deficient number, since it is larger than the sum of its proper divisors (205007308).

224393972 is a wasteful number, since it uses less digits than its factorization.

224393972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12071 (or 12069 counting only the distinct ones).

The product of its digits is 163296, while the sum is 41.

The square root of 224393972 is about 14979.7854457265. The cubic root of 224393972 is about 607.6736367396.

The spelling of 224393972 in words is "two hundred twenty-four million, three hundred ninety-three thousand, nine hundred seventy-two".