99622939 has 16 divisors (see below), whose sum is σ = 110702592. Its totient is φ = 89072928.

The previous prime is 99622927. The next prime is 99622961. The reversal of 99622939 is 93922699.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99622939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99622892 and 99622901.

It is not an unprimeable number, because it can be changed into a prime (99622969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62142 + ... + 63724.

It is an arithmetic number, because the mean of its divisors is an integer number (6918912).

Almost surely, 2^99622939 is an apocalyptic number.

99622939 is a deficient number, since it is larger than the sum of its proper divisors (11079653).

99622939 is a wasteful number, since it uses less digits than its factorization.

99622939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746.

The product of its digits is 472392, while the sum is 49.

The square root of 99622939 is about 9981.1291445407. The cubic root of 99622939 is about 463.5747612036.

The spelling of 99622939 in words is "ninety-nine million, six hundred twenty-two thousand, nine hundred thirty-nine".