22212041231 has 2 divisors, whose sum is σ = 22212041232. Its totient is φ = 22212041230.

The previous prime is 22212041227. The next prime is 22212041239. The reversal of 22212041231 is 13214021222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22212041231 - 2² = 22212041227 is a prime.

It is a super-2 number, since 2×22212041231² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22212041239) 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, 11106020615 + 11106020616.

It is an arithmetic number, because the mean of its divisors is an integer number (11106020616).

Almost surely, 2^22212041231 is an apocalyptic number.

22212041231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212041231 is an equidigital number, since it uses as much as digits as its factorization.

22212041231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22212041231 its reverse (13214021222), we get a palindrome (35426062453).

The spelling of 22212041231 in words is "twenty-two billion, two hundred twelve million, forty-one thousand, two hundred thirty-one".