22779347843 has 16 divisors (see below), whose sum is σ = 26123074560. Its totient is φ = 19458104256.

The previous prime is 22779347839. The next prime is 22779347849. The reversal of 22779347843 is 34874397722.

It is a cyclic number.

It is not a de Polignac number, because 22779347843 - 2² = 22779347839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22779347849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3395030 + ... + 3401732.

It is an arithmetic number, because the mean of its divisors is an integer number (1632692160).

Almost surely, 2^22779347843 is an apocalyptic number.

22779347843 is a deficient number, since it is larger than the sum of its proper divisors (3343726717).

22779347843 is a wasteful number, since it uses less digits than its factorization.

22779347843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8306.

The product of its digits is 14224896, while the sum is 56.

The spelling of 22779347843 in words is "twenty-two billion, seven hundred seventy-nine million, three hundred forty-seven thousand, eight hundred forty-three".