22625091 has 6 divisors (see below), whose sum is σ = 32680700. Its totient is φ = 15083388.

The previous prime is 22625089. The next prime is 22625107. The reversal of 22625091 is 19052622.

It is not a de Polignac number, because 22625091 - 2¹ = 22625089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22625041) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1256941 + ... + 1256958.

Almost surely, 2^22625091 is an apocalyptic number.

22625091 is a deficient number, since it is larger than the sum of its proper divisors (10055609).

22625091 is a wasteful number, since it uses less digits than its factorization.

22625091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513905 (or 2513902 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 22625091 is about 4756.5839633081. The cubic root of 22625091 is about 282.8330204843.

The spelling of 22625091 in words is "twenty-two million, six hundred twenty-five thousand, ninety-one".