22042110449 has 2 divisors, whose sum is σ = 22042110450. Its totient is φ = 22042110448.

The previous prime is 22042110407. The next prime is 22042110469. The reversal of 22042110449 is 94401124022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14067620449 + 7974490000 = 118607^2 + 89300^2 .

It is a cyclic number.

It is not a de Polignac number, because 22042110449 - 2⁸ = 22042110193 is a prime.

It is not a weakly prime, because it can be changed into another prime (22042110469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11021055224 + 11021055225.

It is an arithmetic number, because the mean of its divisors is an integer number (11021055225).

Almost surely, 2^22042110449 is an apocalyptic number.

It is an amenable number.

22042110449 is a deficient number, since it is larger than the sum of its proper divisors (1).

22042110449 is an equidigital number, since it uses as much as digits as its factorization.

22042110449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 22042110449 in words is "twenty-two billion, forty-two million, one hundred ten thousand, four hundred forty-nine".