22879786821 has 16 divisors (see below), whose sum is σ = 33088704768. Its totient is φ = 14005798400.

The previous prime is 22879786807. The next prime is 22879786877. The reversal of 22879786821 is 12868797822.

It is a cyclic number.

It is not a de Polignac number, because 22879786821 - 2⁵ = 22879786789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22879786621) 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, 5468925 + ... + 5473106.

It is an arithmetic number, because the mean of its divisors is an integer number (2068044048).

Almost surely, 2^22879786821 is an apocalyptic number.

It is an amenable number.

22879786821 is a deficient number, since it is larger than the sum of its proper divisors (10208917947).

22879786821 is a wasteful number, since it uses less digits than its factorization.

22879786821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10942092.

The product of its digits is 10838016, while the sum is 60.

The spelling of 22879786821 in words is "twenty-two billion, eight hundred seventy-nine million, seven hundred eighty-six thousand, eight hundred twenty-one".