22055131 has 4 divisors (see below), whose sum is σ = 25205872. Its totient is φ = 18904392.

The previous prime is 22055113. The next prime is 22055149. The reversal of 22055131 is 13155022.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22055113) and next prime (22055149).

It is a cyclic number.

It is not a de Polignac number, because 22055131 - 2⁷ = 22055003 is a prime.

It is a super-2 number, since 2×22055131² = 972857606854322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22055099 and 22055108.

It is not an unprimeable number, because it can be changed into a prime (22055101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1575360 + ... + 1575373.

It is an arithmetic number, because the mean of its divisors is an integer number (6301468).

Almost surely, 2^22055131 is an apocalyptic number.

22055131 is a deficient number, since it is larger than the sum of its proper divisors (3150741).

22055131 is an equidigital number, since it uses as much as digits as its factorization.

22055131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150740.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 22055131 is about 4696.2890669123. The cubic root of 22055131 is about 280.4377972631.

The spelling of 22055131 in words is "twenty-two million, fifty-five thousand, one hundred thirty-one".