22275293449 has 2 divisors, whose sum is σ = 22275293450. Its totient is φ = 22275293448.

The previous prime is 22275293431. The next prime is 22275293531. The reversal of 22275293449 is 94439257222.

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., 22153345600 + 121947849 = 148840^2 + 11043^2 .

It is a cyclic number.

It is not a de Polignac number, because 22275293449 - 2²⁷ = 22141075721 is a prime.

It is not a weakly prime, because it can be changed into another prime (22275293149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11137646724 + 11137646725.

It is an arithmetic number, because the mean of its divisors is an integer number (11137646725).

Almost surely, 2^22275293449 is an apocalyptic number.

It is an amenable number.

22275293449 is a deficient number, since it is larger than the sum of its proper divisors (1).

22275293449 is an equidigital number, since it uses as much as digits as its factorization.

22275293449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 49.

The spelling of 22275293449 in words is "twenty-two billion, two hundred seventy-five million, two hundred ninety-three thousand, four hundred forty-nine".