224993240 has 32 divisors (see below), whose sum is σ = 518585760. Its totient is φ = 87801600.

The previous prime is 224993233. The next prime is 224993299. The reversal of 224993240 is 42399422.

It is a self number, because there is not a number n which added to its sum of digits gives 224993240.

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, 66956 + ... + 70235.

It is an arithmetic number, because the mean of its divisors is an integer number (16205805).

Almost surely, 2^224993240 is an apocalyptic number.

224993240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224993240 is an abundant number, since it is smaller than the sum of its proper divisors (293592520).

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

224993240 is a wasteful number, since it uses less digits than its factorization.

224993240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137243 (or 137239 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 224993240 is about 14999.7746649741. The cubic root of 224993240 is about 608.2141082837.

The spelling of 224993240 in words is "two hundred twenty-four million, nine hundred ninety-three thousand, two hundred forty".