522748990 has 8 divisors (see below), whose sum is σ = 940948200. Its totient is φ = 209099592.

The previous prime is 522748981. The next prime is 522749089. The reversal of 522748990 is 99847225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 522748990.

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, 26137440 + ... + 26137459.

It is an arithmetic number, because the mean of its divisors is an integer number (117618525).

Almost surely, 2^522748990 is an apocalyptic number.

522748990 is a deficient number, since it is larger than the sum of its proper divisors (418199210).

522748990 is a wasteful number, since it uses less digits than its factorization.

522748990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52274906.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 522748990 is about 22863.7046429488. The cubic root of 522748990 is about 805.5597048872.

The spelling of 522748990 in words is "five hundred twenty-two million, seven hundred forty-eight thousand, nine hundred ninety".