22027767131 has 4 divisors (see below), whose sum is σ = 22030944000. Its totient is φ = 22024590264.

The previous prime is 22027767107. The next prime is 22027767137. The reversal of 22027767131 is 13176772022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22027767131 is a prime.

It is a super-2 number, since 2×22027767131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22027767137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1578011 + ... + 1591908.

It is an arithmetic number, because the mean of its divisors is an integer number (5507736000).

Almost surely, 2^22027767131 is an apocalyptic number.

22027767131 is a deficient number, since it is larger than the sum of its proper divisors (3176869).

22027767131 is an equidigital number, since it uses as much as digits as its factorization.

22027767131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3176868.

The product of its (nonzero) digits is 49392, while the sum is 38.

The spelling of 22027767131 in words is "twenty-two billion, twenty-seven million, seven hundred sixty-seven thousand, one hundred thirty-one".