22090113 has 12 divisors (see below), whose sum is σ = 32431828. Its totient is φ = 14484960.

The previous prime is 22090111. The next prime is 22090121. The reversal of 22090113 is 31109022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7436529 + 14653584 = 2727^2 + 3828^2 .

It is not a de Polignac number, because 22090113 - 2¹ = 22090111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22090111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19570 + ... + 20667.

Almost surely, 2^22090113 is an apocalyptic number.

It is an amenable number.

22090113 is a deficient number, since it is larger than the sum of its proper divisors (10341715).

22090113 is a wasteful number, since it uses less digits than its factorization.

22090113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40304 (or 40301 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 22090113 is about 4700.0120212612. The cubic root of 22090113 is about 280.5859879168.

Adding to 22090113 its reverse (31109022), we get a palindrome (53199135).

The spelling of 22090113 in words is "twenty-two million, ninety thousand, one hundred thirteen".