22004422399 has 2 divisors, whose sum is σ = 22004422400. Its totient is φ = 22004422398.

The previous prime is 22004422381. The next prime is 22004422411. The reversal of 22004422399 is 99322440022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22004422399 - 2¹⁷ = 22004291327 is a prime.

It is a super-2 number, since 2×22004422399² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22004452399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11002211199 + 11002211200.

It is an arithmetic number, because the mean of its divisors is an integer number (11002211200).

Almost surely, 2^22004422399 is an apocalyptic number.

22004422399 is a deficient number, since it is larger than the sum of its proper divisors (1).

22004422399 is an equidigital number, since it uses as much as digits as its factorization.

22004422399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 22004422399 in words is "twenty-two billion, four million, four hundred twenty-two thousand, three hundred ninety-nine".