22445943859 has 8 divisors (see below), whose sum is σ = 22851094032. Its totient is φ = 22043433600.

The previous prime is 22445943857. The next prime is 22445943887. The reversal of 22445943859 is 95834954422.

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 22445943859 - 2¹ = 22445943857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22445943853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642817 + ... + 676834.

It is an arithmetic number, because the mean of its divisors is an integer number (2856386754).

Almost surely, 2^22445943859 is an apocalyptic number.

22445943859 is a deficient number, since it is larger than the sum of its proper divisors (405150173).

22445943859 is a wasteful number, since it uses less digits than its factorization.

22445943859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319957.

The product of its digits is 12441600, while the sum is 55.

The spelling of 22445943859 in words is "twenty-two billion, four hundred forty-five million, nine hundred forty-three thousand, eight hundred fifty-nine".