252224220015 has 12 divisors (see below), whose sum is σ = 437188648104. Its totient is φ = 134519583984.

The previous prime is 252224219969. The next prime is 252224220041. The reversal of 252224220015 is 510022422252.

It is a happy number.

252224220015 is a `hidden beast` number, since 2 + 5 + 222 + 422 + 0 + 0 + 15 = 666.

It is not a de Polignac number, because 252224220015 - 2⁸ = 252224219759 is a prime.

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, 2802491289 + ... + 2802491378.

It is an arithmetic number, because the mean of its divisors is an integer number (36432387342).

Almost surely, 2^252224220015 is an apocalyptic number.

252224220015 is a deficient number, since it is larger than the sum of its proper divisors (184964428089).

252224220015 is a wasteful number, since it uses less digits than its factorization.

252224220015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5604982678 (or 5604982675 counting only the distinct ones).

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

Adding to 252224220015 its reverse (510022422252), we get a palindrome (762246642267).

The spelling of 252224220015 in words is "two hundred fifty-two billion, two hundred twenty-four million, two hundred twenty thousand, fifteen".