22813091 has 16 divisors (see below), whose sum is σ = 28089600. Its totient is φ = 18089568.

The previous prime is 22813073. The next prime is 22813121. The reversal of 22813091 is 19031822.

It is a de Polignac number, because none of the positive numbers 2^k-22813091 is a prime.

It is a super-3 number, since 3×22813091³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22813091.

It is not an unprimeable number, because it can be changed into a prime (22813061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3725 + ... + 7713.

It is an arithmetic number, because the mean of its divisors is an integer number (1755600).

Almost surely, 2^22813091 is an apocalyptic number.

22813091 is a deficient number, since it is larger than the sum of its proper divisors (5276509).

22813091 is a wasteful number, since it uses less digits than its factorization.

22813091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 22813091 is about 4776.3051619426. The cubic root of 22813091 is about 283.6142476511.

The spelling of 22813091 in words is "twenty-two million, eight hundred thirteen thousand, ninety-one".