22004443999 has 8 divisors (see below), whose sum is σ = 22765340160. Its totient is φ = 21243689376.

The previous prime is 22004443991. The next prime is 22004444023. The reversal of 22004443999 is 99934440022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22004443999 - 2³ = 22004443991 is a prime.

It is a super-2 number, since 2×22004443999² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22004443991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353529 + ... + 411085.

It is an arithmetic number, because the mean of its divisors is an integer number (2845667520).

Almost surely, 2^22004443999 is an apocalyptic number.

22004443999 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

22004443999 is a deficient number, since it is larger than the sum of its proper divisors (760896161).

22004443999 is a wasteful number, since it uses less digits than its factorization.

22004443999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70769.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 22004443999 in words is "twenty-two billion, four million, four hundred forty-three thousand, nine hundred ninety-nine".