522448816 has 10 divisors (see below), whose sum is σ = 1012244612. Its totient is φ = 261224400.

The previous prime is 522448813. The next prime is 522448831. The reversal of 522448816 is 618844225.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (522448813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16326510 + ... + 16326541.

Almost surely, 2^522448816 is an apocalyptic number.

It is an amenable number.

522448816 is a deficient number, since it is larger than the sum of its proper divisors (489795796).

522448816 is a wasteful number, since it uses less digits than its factorization.

522448816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32653059 (or 32653053 counting only the distinct ones).

The product of its digits is 122880, while the sum is 40.

The square root of 522448816 is about 22857.1392785711. The cubic root of 522448816 is about 805.4054853146.

The spelling of 522448816 in words is "five hundred twenty-two million, four hundred forty-eight thousand, eight hundred sixteen".