422524557 has 48 divisors (see below), whose sum is σ = 769536768. Its totient is φ = 217416960.

The previous prime is 422524537. The next prime is 422524573. The reversal of 422524557 is 755425224.

It is not a de Polignac number, because 422524557 - 2¹⁸ = 422262413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422524507) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27288 + ... + 39870.

It is an arithmetic number, because the mean of its divisors is an integer number (16032016).

Almost surely, 2^422524557 is an apocalyptic number.

It is an amenable number.

422524557 is a deficient number, since it is larger than the sum of its proper divisors (347012211).

422524557 is a wasteful number, since it uses less digits than its factorization.

422524557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12650 (or 12647 counting only the distinct ones).

The product of its digits is 112000, while the sum is 36.

The square root of 422524557 is about 20555.4021366647. The cubic root of 422524557 is about 750.3847252815.

It can be divided in two parts, 4225 and 24557, that added together give a palindrome (28782).

The spelling of 422524557 in words is "four hundred twenty-two million, five hundred twenty-four thousand, five hundred fifty-seven".