22995444649 has 2 divisors, whose sum is σ = 22995444650. Its totient is φ = 22995444648.

The previous prime is 22995444631. The next prime is 22995444653. The reversal of 22995444649 is 94644459922.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20336186025 + 2659258624 = 142605^2 + 51568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22995444649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22995444593 and 22995444602.

It is not a weakly prime, because it can be changed into another prime (22995444449) 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, 11497722324 + 11497722325.

It is an arithmetic number, because the mean of its divisors is an integer number (11497722325).

Almost surely, 2^22995444649 is an apocalyptic number.

It is an amenable number.

22995444649 is a deficient number, since it is larger than the sum of its proper divisors (1).

22995444649 is an equidigital number, since it uses as much as digits as its factorization.

22995444649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22394880, while the sum is 58.

The spelling of 22995444649 in words is "twenty-two billion, nine hundred ninety-five million, four hundred forty-four thousand, six hundred forty-nine".