522447472 has 20 divisors (see below), whose sum is σ = 1012602600. Its totient is φ = 261130688.

The previous prime is 522447407. The next prime is 522447481. The reversal of 522447472 is 274744225.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72279 + ... + 79177.

It is an arithmetic number, because the mean of its divisors is an integer number (50630130).

Almost surely, 2^522447472 is an apocalyptic number.

It is an amenable number.

522447472 is a deficient number, since it is larger than the sum of its proper divisors (490155128).

522447472 is a wasteful number, since it uses less digits than its factorization.

522447472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11640 (or 11634 counting only the distinct ones).

The product of its digits is 125440, while the sum is 37.

The square root of 522447472 is about 22857.1098785476. The cubic root of 522447472 is about 805.4047946786.

The spelling of 522447472 in words is "five hundred twenty-two million, four hundred forty-seven thousand, four hundred seventy-two".