22033312131 has 16 divisors (see below), whose sum is σ = 29436291584. Its totient is φ = 14659635744.

The previous prime is 22033312129. The next prime is 22033312157. The reversal of 22033312131 is 13121333022.

It is not a de Polignac number, because 22033312131 - 2¹ = 22033312129 is a prime.

It is a super-2 number, since 2×22033312131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22033312098 and 22033312107.

It is not an unprimeable number, because it can be changed into a prime (22033312121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3898950 + ... + 3904596.

It is an arithmetic number, because the mean of its divisors is an integer number (1839768224).

Almost surely, 2^22033312131 is an apocalyptic number.

22033312131 is a deficient number, since it is larger than the sum of its proper divisors (7402979453).

22033312131 is a wasteful number, since it uses less digits than its factorization.

22033312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8010.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 22033312131 its reverse (13121333022), we get a palindrome (35154645153).

The spelling of 22033312131 in words is "twenty-two billion, thirty-three million, three hundred twelve thousand, one hundred thirty-one".