22513090 has 16 divisors (see below), whose sum is σ = 42285888. Its totient is φ = 8613616.

The previous prime is 22513039. The next prime is 22513091. The reversal of 22513090 is 9031522.

It is not an unprimeable number, because it can be changed into a prime (22513091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48712 + ... + 49171.

It is an arithmetic number, because the mean of its divisors is an integer number (2642868).

Almost surely, 2^22513090 is an apocalyptic number.

22513090 is a deficient number, since it is larger than the sum of its proper divisors (19772798).

22513090 is a wasteful number, since it uses less digits than its factorization.

22513090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97913.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 22513090 is about 4744.7960967780. The cubic root of 22513090 is about 282.3655454358.

The spelling of 22513090 in words is "twenty-two million, five hundred thirteen thousand, ninety".