522140232 has 16 divisors (see below), whose sum is σ = 1305350640. Its totient is φ = 174046736.

The previous prime is 522140231. The next prime is 522140243. The reversal of 522140232 is 232041225.

It is a junction number, because it is equal to n+sod(n) for n = 522140199 and 522140208.

It is not an unprimeable number, because it can be changed into a prime (522140231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10877898 + ... + 10877945.

It is an arithmetic number, because the mean of its divisors is an integer number (81584415).

Almost surely, 2^522140232 is an apocalyptic number.

It is an amenable number.

522140232 is an abundant number, since it is smaller than the sum of its proper divisors (783210408).

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

522140232 is a wasteful number, since it uses less digits than its factorization.

522140232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21755852 (or 21755848 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 522140232 is about 22850.3880054585. The cubic root of 522140232 is about 805.2468833699.

Adding to 522140232 its reverse (232041225), we get a palindrome (754181457).

The spelling of 522140232 in words is "five hundred twenty-two million, one hundred forty thousand, two hundred thirty-two".