22040022049 has 2 divisors, whose sum is σ = 22040022050. Its totient is φ = 22040022048.

The previous prime is 22040022041. The next prime is 22040022133. The reversal of 22040022049 is 94022004022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11179255824 + 10860766225 = 105732^2 + 104215^2 .

It is a cyclic number.

It is not a de Polignac number, because 22040022049 - 2³ = 22040022041 is a prime.

It is not a weakly prime, because it can be changed into another prime (22040022041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11020011024 + 11020011025.

It is an arithmetic number, because the mean of its divisors is an integer number (11020011025).

Almost surely, 2^22040022049 is an apocalyptic number.

It is an amenable number.

22040022049 is a deficient number, since it is larger than the sum of its proper divisors (1).

22040022049 is an equidigital number, since it uses as much as digits as its factorization.

22040022049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The spelling of 22040022049 in words is "twenty-two billion, forty million, twenty-two thousand, forty-nine".