22445616739 has 12 divisors (see below), whose sum is σ = 28118685504. Its totient is φ = 17759168784.

The previous prime is 22445616719. The next prime is 22445616751. The reversal of 22445616739 is 93761654422.

It is not a de Polignac number, because 22445616739 - 2⁹ = 22445616227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 22445616692 and 22445616701.

It is not an unprimeable number, because it can be changed into a prime (22445616719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17617587 + ... + 17618860.

It is an arithmetic number, because the mean of its divisors is an integer number (2343223792).

Almost surely, 2^22445616739 is an apocalyptic number.

22445616739 is a deficient number, since it is larger than the sum of its proper divisors (5673068765).

22445616739 is a wasteful number, since it uses less digits than its factorization.

22445616739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35236474 (or 35236467 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 49.

The spelling of 22445616739 in words is "twenty-two billion, four hundred forty-five million, six hundred sixteen thousand, seven hundred thirty-nine".