22223222131 has 4 divisors (see below), whose sum is σ = 24243515064. Its totient is φ = 20202929200.

The previous prime is 22223222129. The next prime is 22223222167. The reversal of 22223222131 is 13122232222.

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

It is a cyclic number.

It is not a de Polignac number, because 22223222131 - 2¹ = 22223222129 is a prime.

It is a super-2 number, since 2×22223222131² (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 (22223222191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010146450 + ... + 1010146471.

It is an arithmetic number, because the mean of its divisors is an integer number (6060878766).

Almost surely, 2^22223222131 is an apocalyptic number.

22223222131 is a deficient number, since it is larger than the sum of its proper divisors (2020292933).

22223222131 is a wasteful number, since it uses less digits than its factorization.

22223222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020292932.

The product of its digits is 1152, while the sum is 22.

Adding to 22223222131 its reverse (13122232222), we get a palindrome (35345454353).

The spelling of 22223222131 in words is "twenty-two billion, two hundred twenty-three million, two hundred twenty-two thousand, one hundred thirty-one".