522193998 has 16 divisors (see below), whose sum is σ = 1105822800. Its totient is φ = 163825536.

The previous prime is 522193993. The next prime is 522194009. The reversal of 522193998 is 899391225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522193993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2559673 + ... + 2559876.

It is an arithmetic number, because the mean of its divisors is an integer number (69113925).

Almost surely, 2^522193998 is an apocalyptic number.

522193998 is an abundant number, since it is smaller than the sum of its proper divisors (583628802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522193998 is a wasteful number, since it uses less digits than its factorization.

522193998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5119571.

The product of its digits is 349920, while the sum is 48.

The square root of 522193998 is about 22851.5644541025. The cubic root of 522193998 is about 805.2745218058.

The spelling of 522193998 in words is "five hundred twenty-two million, one hundred ninety-three thousand, nine hundred ninety-eight".