522432738 has 24 divisors (see below), whose sum is σ = 1170971100. Its totient is φ = 168139104.

The previous prime is 522432737. The next prime is 522432773. The reversal of 522432738 is 837234225.

It can be written as a sum of positive squares in 2 ways, for example, as 516971169 + 5461569 = 22737^2 + 2337^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (522432737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 499893 + ... + 500936.

Almost surely, 2^522432738 is an apocalyptic number.

522432738 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

522432738 is an abundant number, since it is smaller than the sum of its proper divisors (648538362).

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

522432738 is a wasteful number, since it uses less digits than its factorization.

522432738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000866 (or 1000863 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 522432738 is about 22856.7875695602. The cubic root of 522432738 is about 805.3972232981.

The spelling of 522432738 in words is "five hundred twenty-two million, four hundred thirty-two thousand, seven hundred thirty-eight".