242515224 has 48 divisors (see below), whose sum is σ = 750643920. Its totient is φ = 69289920.

The previous prime is 242515213. The next prime is 242515237. The reversal of 242515224 is 422515242.

242515224 is a `hidden beast` number, since 2 + 425 + 15 + 224 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240087 + ... + 241094.

It is an arithmetic number, because the mean of its divisors is an integer number (15638415).

Almost surely, 2^242515224 is an apocalyptic number.

242515224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

242515224 is an abundant number, since it is smaller than the sum of its proper divisors (508128696).

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

242515224 is a wasteful number, since it uses less digits than its factorization.

242515224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481200 (or 481193 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 242515224 is about 15572.9003079067. The cubic root of 242515224 is about 623.6099016414.

The spelling of 242515224 in words is "two hundred forty-two million, five hundred fifteen thousand, two hundred twenty-four".