2213242331 has 2 divisors, whose sum is σ = 2213242332. Its totient is φ = 2213242330.

The previous prime is 2213242313. The next prime is 2213242349. The reversal of 2213242331 is 1332423122.

Together with previous prime (2213242313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (2213242313) and next prime (2213242349).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2213242331 is a prime.

It is a super-2 number, since 2×2213242331² = 9796883231460627122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2213242297 and 2213242306.

It is not a weakly prime, because it can be changed into another prime (2213292331) 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 as a sum of consecutive naturals, namely, 1106621165 + 1106621166.

It is an arithmetic number, because the mean of its divisors is an integer number (1106621166).

Almost surely, 2^2213242331 is an apocalyptic number.

2213242331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2213242331 is an equidigital number, since it uses as much as digits as its factorization.

2213242331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 23.

The square root of 2213242331 is about 47045.1095332979. The cubic root of 2213242331 is about 1303.1957531152.

Adding to 2213242331 its reverse (1332423122), we get a palindrome (3545665453).

The spelling of 2213242331 in words is "two billion, two hundred thirteen million, two hundred forty-two thousand, three hundred thirty-one".