22132232431 has 4 divisors (see below), whose sum is σ = 22147941600. Its totient is φ = 22116523264.

The previous prime is 22132232401. The next prime is 22132232489. The reversal of 22132232431 is 13423223122.

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 22132232431 - 2¹¹ = 22132230383 is a prime.

It is a super-2 number, since 2×22132232431² (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 = 22132232396 and 22132232405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22132232401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7852471 + ... + 7855288.

It is an arithmetic number, because the mean of its divisors is an integer number (5536985400).

Almost surely, 2^22132232431 is an apocalyptic number.

22132232431 is a deficient number, since it is larger than the sum of its proper divisors (15709169).

22132232431 is a wasteful number, since it uses less digits than its factorization.

22132232431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15709168.

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

Adding to 22132232431 its reverse (13423223122), we get a palindrome (35555455553).

The spelling of 22132232431 in words is "twenty-two billion, one hundred thirty-two million, two hundred thirty-two thousand, four hundred thirty-one".