99939022 has 16 divisors (see below), whose sum is σ = 159250752. Its totient is φ = 46874880.

The previous prime is 99939001. The next prime is 99939023. The reversal of 99939022 is 22093999.

It is a self number, because there is not a number n which added to its sum of digits gives 99939022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99939023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5947 + ... + 15337.

It is an arithmetic number, because the mean of its divisors is an integer number (9953172).

Almost surely, 2^99939022 is an apocalyptic number.

99939022 is a deficient number, since it is larger than the sum of its proper divisors (59311730).

99939022 is a wasteful number, since it uses less digits than its factorization.

99939022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9723.

The product of its (nonzero) digits is 78732, while the sum is 43.

The square root of 99939022 is about 9996.9506350687. The cubic root of 99939022 is about 464.0645192436.

The spelling of 99939022 in words is "ninety-nine million, nine hundred thirty-nine thousand, twenty-two".