22940890 has 32 divisors (see below), whose sum is σ = 49248000. Its totient is φ = 7522944.

The previous prime is 22940873. The next prime is 22940909. The reversal of 22940890 is 9804922.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5515 + ... + 8734.

It is an arithmetic number, because the mean of its divisors is an integer number (1539000).

Almost surely, 2^22940890 is an apocalyptic number.

22940890 is an abundant number, since it is smaller than the sum of its proper divisors (26307110).

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

22940890 is a wasteful number, since it uses less digits than its factorization.

22940890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14286.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 22940890 is about 4789.6649152107. The cubic root of 22940890 is about 284.1428643770.

The spelling of 22940890 in words is "twenty-two million, nine hundred forty thousand, eight hundred ninety".