22144698839 has 8 divisors (see below), whose sum is σ = 23143242240. Its totient is φ = 21149133016.

The previous prime is 22144698799. The next prime is 22144698841. The reversal of 22144698839 is 93889644122.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22144698839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22144698859) 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, 729179 + ... + 758940.

It is an arithmetic number, because the mean of its divisors is an integer number (2892905280).

Almost surely, 2^22144698839 is an apocalyptic number.

22144698839 is a deficient number, since it is larger than the sum of its proper divisors (998543401).

22144698839 is a wasteful number, since it uses less digits than its factorization.

22144698839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488789.

The product of its digits is 5971968, while the sum is 56.

The spelling of 22144698839 in words is "twenty-two billion, one hundred forty-four million, six hundred ninety-eight thousand, eight hundred thirty-nine".