22331190449 has 2 divisors, whose sum is σ = 22331190450. Its totient is φ = 22331190448.

The previous prime is 22331190397. The next prime is 22331190451. The reversal of 22331190449 is 94409113322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22193550625 + 137639824 = 148975^2 + 11732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22331190449 is a prime.

Together with 22331190451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22331190649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11165595224 + 11165595225.

It is an arithmetic number, because the mean of its divisors is an integer number (11165595225).

Almost surely, 2^22331190449 is an apocalyptic number.

It is an amenable number.

22331190449 is a deficient number, since it is larger than the sum of its proper divisors (1).

22331190449 is an equidigital number, since it uses as much as digits as its factorization.

22331190449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 22331190449 in words is "twenty-two billion, three hundred thirty-one million, one hundred ninety thousand, four hundred forty-nine".