522250730 has 16 divisors (see below), whose sum is σ = 940658400. Its totient is φ = 208765392.

The previous prime is 522250723. The next prime is 522250741. The reversal of 522250730 is 37052225.

It is a self number, because there is not a number n which added to its sum of digits gives 522250730.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221 + ... + 32319.

It is an arithmetic number, because the mean of its divisors is an integer number (58791150).

Almost surely, 2^522250730 is an apocalyptic number.

522250730 is a deficient number, since it is larger than the sum of its proper divisors (418407670).

522250730 is a wasteful number, since it uses less digits than its factorization.

522250730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33733.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 522250730 is about 22852.8057358391. The cubic root of 522250730 is about 805.3036828583.

The spelling of 522250730 in words is "five hundred twenty-two million, two hundred fifty thousand, seven hundred thirty".