522340368 has 80 divisors (see below), whose sum is σ = 1558668096. Its totient is φ = 148971520.

The previous prime is 522340363. The next prime is 522340391. The reversal of 522340368 is 863043225.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (522340363) 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, 20121 + ... + 38072.

Almost surely, 2^522340368 is an apocalyptic number.

It is an amenable number.

522340368 is an abundant number, since it is smaller than the sum of its proper divisors (1036327728).

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

522340368 is a wasteful number, since it uses less digits than its factorization.

522340368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58232 (or 58226 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 522340368 is about 22854.7668550786. The cubic root of 522340368 is about 805.3497537574.

The spelling of 522340368 in words is "five hundred twenty-two million, three hundred forty thousand, three hundred sixty-eight".