99000022 has 24 divisors (see below), whose sum is σ = 163874088. Its totient is φ = 44821920.

The previous prime is 99000007. The next prime is 99000023. The reversal of 99000022 is 22000099.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 98999957 and 99000002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99000023) 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 11 ways as a sum of consecutive naturals, for example, 75093 + ... + 76399.

It is an arithmetic number, because the mean of its divisors is an integer number (6828087).

Almost surely, 2^99000022 is an apocalyptic number.

99000022 is a deficient number, since it is larger than the sum of its proper divisors (64874066).

99000022 is a wasteful number, since it uses less digits than its factorization.

99000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644 (or 1633 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 99000022 is about 9949.8754766077. The cubic root of 99000022 is about 462.6065351854.

Adding to 99000022 its reverse (22000099), we get a palindrome (121000121).

The spelling of 99000022 in words is "ninety-nine million, twenty-two", and thus it is an aban number and an uban number.