22555422231 has 16 divisors (see below), whose sum is σ = 32318221824. Its totient is φ = 13941189504.

The previous prime is 22555422223. The next prime is 22555422257. The reversal of 22555422231 is 13222455522.

It is not a de Polignac number, because 22555422231 - 2³ = 22555422223 is a prime.

It is a super-2 number, since 2×22555422231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22555422192 and 22555422201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22555422031) 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, 3297055 + ... + 3303888.

It is an arithmetic number, because the mean of its divisors is an integer number (2019888864).

Almost surely, 2^22555422231 is an apocalyptic number.

22555422231 is a deficient number, since it is larger than the sum of its proper divisors (9762799593).

22555422231 is a wasteful number, since it uses less digits than its factorization.

22555422231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6601030.

The product of its digits is 48000, while the sum is 33.

Adding to 22555422231 its reverse (13222455522), we get a palindrome (35777877753).

The spelling of 22555422231 in words is "twenty-two billion, five hundred fifty-five million, four hundred twenty-two thousand, two hundred thirty-one".