222222242222231 has 2 divisors, whose sum is σ = 222222242222232. Its totient is φ = 222222242222230.

The previous prime is 222222242222207. The next prime is 222222242222251. The reversal of 222222242222231 is 132222242222222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222222242222231 - 2¹⁰ = 222222242221207 is a prime.

It is a super-2 number, since 2×222222242222231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222222242222251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111111121111115 + 111111121111116.

It is an arithmetic number, because the mean of its divisors is an integer number (111111121111116).

Almost surely, 2^{222222242222231} is an apocalyptic number.

222222242222231 is a deficient number, since it is larger than the sum of its proper divisors (1).

222222242222231 is an equidigital number, since it uses as much as digits as its factorization.

222222242222231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49152, while the sum is 32.

Adding to 222222242222231 its reverse (132222242222222), we get a palindrome (354444484444453).

Subtracting from 222222242222231 its reverse (132222242222222), we obtain a palindrome (90000000000009).

The spelling of 222222242222231 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, two hundred forty-two million, two hundred twenty-two thousand, two hundred thirty-one".