22990122 has 32 divisors (see below), whose sum is σ = 52282560. Its totient is φ = 7484400.

The previous prime is 22990091. The next prime is 22990129. The reversal of 22990122 is 22109922.

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

It is not an unprimeable number, because it can be changed into a prime (22990129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2629 + ... + 7272.

It is an arithmetic number, because the mean of its divisors is an integer number (1633830).

Almost surely, 2^22990122 is an apocalyptic number.

22990122 is an abundant number, since it is smaller than the sum of its proper divisors (29292438).

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

22990122 is a wasteful number, since it uses less digits than its factorization.

22990122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9955 (or 9949 counting only the distinct ones).

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

The square root of 22990122 is about 4794.8015600231. The cubic root of 22990122 is about 284.3459795205.

The spelling of 22990122 in words is "twenty-two million, nine hundred ninety thousand, one hundred twenty-two".