522427380 has 24 divisors (see below), whose sum is σ = 1462796832. Its totient is φ = 139313952.

The previous prime is 522427351. The next prime is 522427387. The reversal of 522427380 is 83724225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522427387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4353502 + ... + 4353621.

It is an arithmetic number, because the mean of its divisors is an integer number (60949868).

Almost surely, 2^522427380 is an apocalyptic number.

It is an amenable number.

522427380 is an abundant number, since it is smaller than the sum of its proper divisors (940369452).

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

522427380 is a wasteful number, since it uses less digits than its factorization.

522427380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8707135 (or 8707133 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 522427380 is about 22856.6703611878. The cubic root of 522427380 is about 805.3944699401.

The spelling of 522427380 in words is "five hundred twenty-two million, four hundred twenty-seven thousand, three hundred eighty".