22112490 has 16 divisors (see below), whose sum is σ = 53070048. Its totient is φ = 5896656.

The previous prime is 22112477. The next prime is 22112491. The reversal of 22112490 is 9421122.

It is not an unprimeable number, because it can be changed into a prime (22112491) 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, 368512 + ... + 368571.

It is an arithmetic number, because the mean of its divisors is an integer number (3316878).

Almost surely, 2^22112490 is an apocalyptic number.

22112490 is an abundant number, since it is smaller than the sum of its proper divisors (30957558).

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

22112490 is a wasteful number, since it uses less digits than its factorization.

22112490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737093.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 22112490 is about 4702.3919445321. The cubic root of 22112490 is about 280.6806992744.

The spelling of 22112490 in words is "twenty-two million, one hundred twelve thousand, four hundred ninety".