22119813 has 12 divisors (see below), whose sum is σ = 33340320. Its totient is φ = 14105256.

The previous prime is 22119809. The next prime is 22119817. The reversal of 22119813 is 31891122.

It is an interprime number because it is at equal distance from previous prime (22119809) and next prime (22119817).

It is not a de Polignac number, because 22119813 - 2² = 22119809 is a prime.

It is a super-2 number, since 2×22119813² = 978572254309938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22119817) 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, 53223 + ... + 53636.

It is an arithmetic number, because the mean of its divisors is an integer number (2778360).

Almost surely, 2^22119813 is an apocalyptic number.

22119813 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22119813 is a deficient number, since it is larger than the sum of its proper divisors (11220507).

22119813 is a wasteful number, since it uses less digits than its factorization.

22119813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106888 (or 106885 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 22119813 is about 4703.1705263577. The cubic root of 22119813 is about 280.7116802253.

The spelling of 22119813 in words is "twenty-two million, one hundred nineteen thousand, eight hundred thirteen".