522099396 has 288 divisors, whose sum is σ = 1725954048. Its totient is φ = 129392640.

The previous prime is 522099377. The next prime is 522099397. The reversal of 522099396 is 693990225.

522099396 is a `hidden beast` number, since 52 + 209 + 9 + 396 = 666.

It is not an unprimeable number, because it can be changed into a prime (522099397) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5382420 + ... + 5382516.

It is an arithmetic number, because the mean of its divisors is an integer number (5992896).

Almost surely, 2^522099396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522099396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (862977024).

522099396 is an abundant number, since it is smaller than the sum of its proper divisors (1203854652).

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

522099396 is a wasteful number, since it uses less digits than its factorization.

522099396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 522099396 is about 22849.4944364203. The cubic root of 522099396 is about 805.2258903384.

It can be divided in two parts, 5 and 22099396, that added together give a square (22099401 = 4701²).

The spelling of 522099396 in words is "five hundred twenty-two million, ninety-nine thousand, three hundred ninety-six".