22044332131 has 4 divisors (see below), whose sum is σ = 22055738272. Its totient is φ = 22032925992.

The previous prime is 22044332119. The next prime is 22044332137. The reversal of 22044332131 is 13123344022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13123344022 = 2 ⋅6561672011.

It is a cyclic number.

It is not a de Polignac number, because 22044332131 - 2⁷ = 22044332003 is a prime.

It is a super-2 number, since 2×22044332131² (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 = 22044332096 and 22044332105.

It is not an unprimeable number, because it can be changed into a prime (22044332137) 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, 5700171 + ... + 5704036.

It is an arithmetic number, because the mean of its divisors is an integer number (5513934568).

Almost surely, 2^22044332131 is an apocalyptic number.

22044332131 is a deficient number, since it is larger than the sum of its proper divisors (11406141).

22044332131 is a wasteful number, since it uses less digits than its factorization.

22044332131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11406140.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 22044332131 its reverse (13123344022), we get a palindrome (35167676153).

The spelling of 22044332131 in words is "twenty-two billion, forty-four million, three hundred thirty-two thousand, one hundred thirty-one".