22234232231 has 12 divisors (see below), whose sum is σ = 23585238072. Its totient is φ = 20957018544.

The previous prime is 22234232203. The next prime is 22234232243. The reversal of 22234232231 is 13223243222.

It is a happy number.

It is not a de Polignac number, because 22234232231 - 2¹⁰ = 22234231207 is a prime.

It is a super-2 number, since 2×22234232231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22234232231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22234231231) 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 11 ways as a sum of consecutive naturals, for example, 85205 + ... + 227438.

It is an arithmetic number, because the mean of its divisors is an integer number (1965436506).

Almost surely, 2^22234232231 is an apocalyptic number.

22234232231 is a deficient number, since it is larger than the sum of its proper divisors (1351005841).

22234232231 is a wasteful number, since it uses less digits than its factorization.

22234232231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312878 (or 312859 counting only the distinct ones).

The product of its digits is 6912, while the sum is 26.

Adding to 22234232231 its reverse (13223243222), we get a palindrome (35457475453).

The spelling of 22234232231 in words is "twenty-two billion, two hundred thirty-four million, two hundred thirty-two thousand, two hundred thirty-one".