52022490 has 32 divisors (see below), whose sum is σ = 134459136. Its totient is φ = 12805440.

The previous prime is 52022489. The next prime is 52022497. The reversal of 52022490 is 9422025.

It is a self number, because there is not a number n which added to its sum of digits gives 52022490.

It is not an unprimeable number, because it can be changed into a prime (52022497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66306 + ... + 67085.

It is an arithmetic number, because the mean of its divisors is an integer number (4201848).

Almost surely, 2^52022490 is an apocalyptic number.

52022490 is an abundant number, since it is smaller than the sum of its proper divisors (82436646).

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

52022490 is a wasteful number, since it uses less digits than its factorization.

52022490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133414.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 52022490 is about 7212.6617832808. The cubic root of 52022490 is about 373.3049182951.

The spelling of 52022490 in words is "fifty-two million, twenty-two thousand, four hundred ninety".