522448947 has 60 divisors (see below), whose sum is σ = 872968536. Its totient is φ = 310262400.

The previous prime is 522448943. The next prime is 522448951. The reversal of 522448947 is 749844225.

522448947 is a `hidden beast` number, since 522 + 4 + 4 + 89 + 47 = 666.

It is an interprime number because it is at equal distance from previous prime (522448943) and next prime (522448951).

It is not a de Polignac number, because 522448947 - 2² = 522448943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (522448943) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 496572 + ... + 497622.

Almost surely, 2^522448947 is an apocalyptic number.

522448947 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

522448947 is a deficient number, since it is larger than the sum of its proper divisors (350519589).

522448947 is a wasteful number, since it uses less digits than its factorization.

522448947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118 (or 1090 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 522448947 is about 22857.1421441964. The cubic root of 522448947 is about 805.4055526310.

The spelling of 522448947 in words is "five hundred twenty-two million, four hundred forty-eight thousand, nine hundred forty-seven".