99622518 has 16 divisors (see below), whose sum is σ = 199480320. Its totient is φ = 33168296.

The previous prime is 99622489. The next prime is 99622519. The reversal of 99622518 is 81522699.

It is a self number, because there is not a number n which added to its sum of digits gives 99622518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99622519) 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, 4038 + ... + 14681.

It is an arithmetic number, because the mean of its divisors is an integer number (12467520).

Almost surely, 2^99622518 is an apocalyptic number.

99622518 is an abundant number, since it is smaller than the sum of its proper divisors (99857802).

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

99622518 is a wasteful number, since it uses less digits than its factorization.

99622518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19611.

The product of its digits is 77760, while the sum is 42.

The square root of 99622518 is about 9981.1080547202. The cubic root of 99622518 is about 463.5741081905.

The spelling of 99622518 in words is "ninety-nine million, six hundred twenty-two thousand, five hundred eighteen".