52422909 has 32 divisors (see below), whose sum is σ = 87613440. Its totient is φ = 27086400.

The previous prime is 52422863. The next prime is 52422947. The reversal of 52422909 is 90922425.

It is not a de Polignac number, because 52422909 - 2⁹ = 52422397 is a prime.

It is a super-2 number, since 2×52422909² = 5496322776044562, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 52422909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52422959) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52404 + ... + 53394.

It is an arithmetic number, because the mean of its divisors is an integer number (2737920).

Almost surely, 2^52422909 is an apocalyptic number.

It is an amenable number.

52422909 is a deficient number, since it is larger than the sum of its proper divisors (35190531).

52422909 is a wasteful number, since it uses less digits than its factorization.

52422909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 52422909 is about 7240.3666343632. The cubic root of 52422909 is about 374.2602519091.

The spelling of 52422909 in words is "fifty-two million, four hundred twenty-two thousand, nine hundred nine".