22919113 has 6 divisors (see below), whose sum is σ = 26661066. Its totient is φ = 19644912.

The previous prime is 22919107. The next prime is 22919119. The reversal of 22919113 is 31191922.

It is an interprime number because it is at equal distance from previous prime (22919107) and next prime (22919119).

It can be written as a sum of positive squares in only one way, i.e., 16426809 + 6492304 = 4053^2 + 2548^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22919113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22919119) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 233820 + ... + 233917.

It is an arithmetic number, because the mean of its divisors is an integer number (4443511).

Almost surely, 2^22919113 is an apocalyptic number.

It is an amenable number.

22919113 is a deficient number, since it is larger than the sum of its proper divisors (3741953).

22919113 is an equidigital number, since it uses as much as digits as its factorization.

22919113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467751 (or 467744 counting only the distinct ones).

The product of its digits is 972, while the sum is 28.

The square root of 22919113 is about 4787.3910431466. The cubic root of 22919113 is about 284.0529268878.

It can be divided in two parts, 22919 and 113, that added together give a palindrome (23032).

The spelling of 22919113 in words is "twenty-two million, nine hundred nineteen thousand, one hundred thirteen".