22555131 has 8 divisors (see below), whose sum is σ = 30107664. Its totient is φ = 15019680.

The previous prime is 22555129. The next prime is 22555133. The reversal of 22555131 is 13155522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22555129) and next prime (22555133).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22555131 - 2¹ = 22555129 is a prime.

It is a super-2 number, since 2×22555131² = 1017467868854322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22555133) 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, 780 + ... + 6761.

It is an arithmetic number, because the mean of its divisors is an integer number (3763458).

Almost surely, 2^22555131 is an apocalyptic number.

22555131 is a deficient number, since it is larger than the sum of its proper divisors (7552533).

22555131 is an equidigital number, since it uses as much as digits as its factorization.

22555131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8541.

The product of its digits is 1500, while the sum is 24.

The square root of 22555131 is about 4749.2242524438. The cubic root of 22555131 is about 282.5411995150.

The spelling of 22555131 in words is "twenty-two million, five hundred fifty-five thousand, one hundred thirty-one".