2212090831 has 2 divisors, whose sum is σ = 2212090832. Its totient is φ = 2212090830.

The previous prime is 2212090747. The next prime is 2212090841. The reversal of 2212090831 is 1380902122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2212090831 - 2⁷ = 2212090703 is a prime.

It is a super-2 number, since 2×2212090831² = 9786691689188541122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2212090831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212090841) 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, 1106045415 + 1106045416.

It is an arithmetic number, because the mean of its divisors is an integer number (1106045416).

Almost surely, 2^2212090831 is an apocalyptic number.

2212090831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212090831 is an equidigital number, since it uses as much as digits as its factorization.

2212090831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2212090831 is about 47032.8696870603. The cubic root of 2212090831 is about 1302.9697061355.

Adding to 2212090831 its reverse (1380902122), we get a palindrome (3592992953).

The spelling of 2212090831 in words is "two billion, two hundred twelve million, ninety thousand, eight hundred thirty-one".