22945870 has 16 divisors (see below), whose sum is σ = 42182208. Its totient is φ = 8982880.

The previous prime is 22945847. The next prime is 22945889. The reversal of 22945870 is 7854922.

It is a congruent number.

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, 23941 + ... + 24880.

It is an arithmetic number, because the mean of its divisors is an integer number (2636388).

Almost surely, 2^22945870 is an apocalyptic number.

22945870 is a deficient number, since it is larger than the sum of its proper divisors (19236338).

22945870 is a wasteful number, since it uses less digits than its factorization.

22945870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48875.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 22945870 is about 4790.1847563533. The cubic root of 22945870 is about 284.1634234324.

The spelling of 22945870 in words is "twenty-two million, nine hundred forty-five thousand, eight hundred seventy".