22045408447 has 2 divisors, whose sum is σ = 22045408448. Its totient is φ = 22045408446.

The previous prime is 22045408439. The next prime is 22045408477. The reversal of 22045408447 is 74480454022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22045408447 - 2³ = 22045408439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22045408477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11022704223 + 11022704224.

It is an arithmetic number, because the mean of its divisors is an integer number (11022704224).

Almost surely, 2^22045408447 is an apocalyptic number.

22045408447 is a deficient number, since it is larger than the sum of its proper divisors (1).

22045408447 is an equidigital number, since it uses as much as digits as its factorization.

22045408447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 286720, while the sum is 40.

The spelling of 22045408447 in words is "twenty-two billion, forty-five million, four hundred eight thousand, four hundred forty-seven".