2242222231 has 2 divisors, whose sum is σ = 2242222232. Its totient is φ = 2242222230.

The previous prime is 2242222193. The next prime is 2242222249. The reversal of 2242222231 is 1322222422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2242222231 is a prime.

It is a super-2 number, since 2×2242222231² = 10055121066381234722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2242222271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121111115 + 1121111116.

It is an arithmetic number, because the mean of its divisors is an integer number (1121111116).

Almost surely, 2^2242222231 is an apocalyptic number.

2242222231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242222231 is an equidigital number, since it uses as much as digits as its factorization.

2242222231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 22.

The square root of 2242222231 is about 47352.1090448989. The cubic root of 2242222231 is about 1308.8590635088.

Adding to 2242222231 its reverse (1322222422), we get a palindrome (3564444653).

The spelling of 2242222231 in words is "two billion, two hundred forty-two million, two hundred twenty-two thousand, two hundred thirty-one".