22020122331 has 6 divisors (see below), whose sum is σ = 31806843380. Its totient is φ = 14680081548.

The previous prime is 22020122261. The next prime is 22020122351. The reversal of 22020122331 is 13322102022.

It is not a de Polignac number, because 22020122331 - 2²⁷ = 21885904603 is a prime.

It is a super-2 number, since 2×22020122331² (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 (22020122351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1223340121 + ... + 1223340138.

Almost surely, 2^22020122331 is an apocalyptic number.

22020122331 is a deficient number, since it is larger than the sum of its proper divisors (9786721049).

22020122331 is a wasteful number, since it uses less digits than its factorization.

22020122331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446680265 (or 2446680262 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22020122331 its reverse (13322102022), we get a palindrome (35342224353).

The spelling of 22020122331 in words is "twenty-two billion, twenty million, one hundred twenty-two thousand, three hundred thirty-one".