99122022 has 16 divisors (see below), whose sum is σ = 220271280. Its totient is φ = 33040656.

The previous prime is 99122021. The next prime is 99122027. The reversal of 99122022 is 22022199.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99122021) 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, 917743 + ... + 917850.

It is an arithmetic number, because the mean of its divisors is an integer number (13766955).

Almost surely, 2^99122022 is an apocalyptic number.

99122022 is an abundant number, since it is smaller than the sum of its proper divisors (121149258).

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

99122022 is a wasteful number, since it uses less digits than its factorization.

99122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835604 (or 1835598 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 99122022 is about 9956.0043190027. The cubic root of 99122022 is about 462.7964840653.

The spelling of 99122022 in words is "ninety-nine million, one hundred twenty-two thousand, twenty-two".