22092090 has 16 divisors (see below), whose sum is σ = 53021088. Its totient is φ = 5891216.

The previous prime is 22092089. The next prime is 22092101. The reversal of 22092090 is 9029022.

It is a self number, because there is not a number n which added to its sum of digits gives 22092090.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368172 + ... + 368231.

It is an arithmetic number, because the mean of its divisors is an integer number (3313818).

Almost surely, 2^22092090 is an apocalyptic number.

22092090 is an abundant number, since it is smaller than the sum of its proper divisors (30928998).

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

22092090 is a wasteful number, since it uses less digits than its factorization.

22092090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736413.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 22092090 is about 4700.2223351667. Note that the first 3 decimals coincide. The cubic root of 22092090 is about 280.5943582067.

The spelling of 22092090 in words is "twenty-two million, ninety-two thousand, ninety".