22150422131 has 4 divisors (see below), whose sum is σ = 22195906032. Its totient is φ = 22104938232.

The previous prime is 22150422103. The next prime is 22150422209. The reversal of 22150422131 is 13122405122.

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 22150422131 - 2¹⁰ = 22150421107 is a prime.

It is a super-2 number, since 2×22150422131² (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 = 22150422097 and 22150422106.

It is not an unprimeable number, because it can be changed into a prime (22150422431) 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, 22741220 + ... + 22742193.

It is an arithmetic number, because the mean of its divisors is an integer number (5548976508).

Almost surely, 2^22150422131 is an apocalyptic number.

22150422131 is a deficient number, since it is larger than the sum of its proper divisors (45483901).

22150422131 is an equidigital number, since it uses as much as digits as its factorization.

22150422131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45483900.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 22150422131 its reverse (13122405122), we get a palindrome (35272827253).

The spelling of 22150422131 in words is "twenty-two billion, one hundred fifty million, four hundred twenty-two thousand, one hundred thirty-one".