22805888021 has 16 divisors (see below), whose sum is σ = 26249038080. Its totient is φ = 19409155200.

The previous prime is 22805887963. The next prime is 22805888071. The reversal of 22805888021 is 12088850822.

It is a cyclic number.

It is not a de Polignac number, because 22805888021 - 2¹⁰ = 22805886997 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 (22805888071) 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, 3071105 + ... + 3078521.

It is an arithmetic number, because the mean of its divisors is an integer number (1640564880).

Almost surely, 2^22805888021 is an apocalyptic number.

It is an amenable number.

22805888021 is a deficient number, since it is larger than the sum of its proper divisors (3443150059).

22805888021 is a wasteful number, since it uses less digits than its factorization.

22805888021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10484.

The product of its (nonzero) digits is 163840, while the sum is 44.

The spelling of 22805888021 in words is "twenty-two billion, eight hundred five million, eight hundred eighty-eight thousand, twenty-one".