522099922 has 4 divisors (see below), whose sum is σ = 783149886. Its totient is φ = 261049960.

The previous prime is 522099913. The next prime is 522099947. The reversal of 522099922 is 229990225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 520798041 + 1301881 = 22821^2 + 1141^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130524979 + ... + 130524982.

Almost surely, 2^522099922 is an apocalyptic number.

522099922 is a deficient number, since it is larger than the sum of its proper divisors (261049964).

522099922 is a wasteful number, since it uses less digits than its factorization.

522099922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261049963.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 522099922 is about 22849.5059465188. The cubic root of 522099922 is about 805.2261607522.

The spelling of 522099922 in words is "five hundred twenty-two million, ninety-nine thousand, nine hundred twenty-two".