522730274 has 32 divisors (see below), whose sum is σ = 878929920. Its totient is φ = 231109200.

The previous prime is 522730199. The next prime is 522730283. The reversal of 522730274 is 472037225.

It is a super-2 number, since 2×522730274² = 546493878712230152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 522730274.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255347 + ... + 257385.

It is an arithmetic number, because the mean of its divisors is an integer number (27466560).

Almost surely, 2^522730274 is an apocalyptic number.

522730274 is a deficient number, since it is larger than the sum of its proper divisors (356199646).

522730274 is a wasteful number, since it uses less digits than its factorization.

522730274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 522730274 is about 22863.2953442849. The cubic root of 522730274 is about 805.5500909453.

Adding to 522730274 its reverse (472037225), we get a palindrome (994767499).

The spelling of 522730274 in words is "five hundred twenty-two million, seven hundred thirty thousand, two hundred seventy-four".