22232354231 has 16 divisors (see below), whose sum is σ = 24570604800. Its totient is φ = 20009117568.

The previous prime is 22232354149. The next prime is 22232354239. The reversal of 22232354231 is 13245323222.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22232354231 is a prime.

It is a super-2 number, since 2×22232354231² (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 = 22232354194 and 22232354203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22232354239) 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, 2019500 + ... + 2030478.

It is an arithmetic number, because the mean of its divisors is an integer number (1535662800).

Almost surely, 2^22232354231 is an apocalyptic number.

22232354231 is a deficient number, since it is larger than the sum of its proper divisors (2338250569).

22232354231 is a wasteful number, since it uses less digits than its factorization.

22232354231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16198.

The product of its digits is 17280, while the sum is 29.

Adding to 22232354231 its reverse (13245323222), we get a palindrome (35477677453).

The spelling of 22232354231 in words is "twenty-two billion, two hundred thirty-two million, three hundred fifty-four thousand, two hundred thirty-one".