252011022 has 16 divisors (see below), whose sum is σ = 530549760. Its totient is φ = 79582392.

The previous prime is 252011017. The next prime is 252011047. The reversal of 252011022 is 220110252.

It is a junction number, because it is equal to n+sod(n) for n = 252010992 and 252011010.

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, 1105198 + ... + 1105425.

It is an arithmetic number, because the mean of its divisors is an integer number (33159360).

Almost surely, 2^252011022 is an apocalyptic number.

252011022 is an abundant number, since it is smaller than the sum of its proper divisors (278538738).

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

252011022 is a wasteful number, since it uses less digits than its factorization.

252011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210647.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 252011022 is about 15874.8550229601. The cubic root of 252011022 is about 631.6451684826.

Adding to 252011022 its reverse (220110252), we get a palindrome (472121274).

The spelling of 252011022 in words is "two hundred fifty-two million, eleven thousand, twenty-two".