2222222222231 has 6 divisors (see below), whose sum is σ = 2442607897296. Its totient is φ = 2020202020100.

The previous prime is 2222222222197. The next prime is 2222222222243. The reversal of 2222222222231 is 1322222222222.

It is not a de Polignac number, because 2222222222231 - 2⁶ = 2222222222167 is a prime.

It is a super-2 number, since 2×2222222222231² (a number of 25 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 2222222222231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252222222231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9182736335 + ... + 9182736576.

It is an arithmetic number, because the mean of its divisors is an integer number (407101316216).

Almost surely, 2^{2222222222231} is an apocalyptic number.

2222222222231 is a deficient number, since it is larger than the sum of its proper divisors (220385675065).

2222222222231 is a wasteful number, since it uses less digits than its factorization.

2222222222231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18365472933 (or 18365472922 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

Adding to 2222222222231 its reverse (1322222222222), we get a palindrome (3544444444453).

Subtracting from 2222222222231 its reverse (1322222222222), we obtain a palindrome (900000000009).

The spelling of 2222222222231 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred thirty-one".