99609522 has 16 divisors (see below), whose sum is σ = 201948960. Its totient is φ = 32748192.

The previous prime is 99609509. The next prime is 99609547. The reversal of 99609522 is 22590699.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113272 + ... + 114147.

It is an arithmetic number, because the mean of its divisors is an integer number (12621810).

Almost surely, 2^99609522 is an apocalyptic number.

99609522 is an abundant number, since it is smaller than the sum of its proper divisors (102339438).

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

99609522 is a wasteful number, since it uses less digits than its factorization.

99609522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227497.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 99609522 is about 9980.4570035645. The cubic root of 99609522 is about 463.5539491902.

The spelling of 99609522 in words is "ninety-nine million, six hundred nine thousand, five hundred twenty-two".