22276572649 has 2 divisors, whose sum is σ = 22276572650. Its totient is φ = 22276572648.

The previous prime is 22276572613. The next prime is 22276572679. The reversal of 22276572649 is 94627567222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12174915600 + 10101657049 = 110340^2 + 100507^2 .

It is a cyclic number.

It is not a de Polignac number, because 22276572649 - 2⁹ = 22276572137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22276572596 and 22276572605.

It is not a weakly prime, because it can be changed into another prime (22276572679) 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, 11138286324 + 11138286325.

It is an arithmetic number, because the mean of its divisors is an integer number (11138286325).

Almost surely, 2^22276572649 is an apocalyptic number.

It is an amenable number.

22276572649 is a deficient number, since it is larger than the sum of its proper divisors (1).

22276572649 is an equidigital number, since it uses as much as digits as its factorization.

22276572649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 52.

The spelling of 22276572649 in words is "twenty-two billion, two hundred seventy-six million, five hundred seventy-two thousand, six hundred forty-nine".