22866254109 has 12 divisors (see below), whose sum is σ = 34167966300. Its totient is φ = 14718508224.

The previous prime is 22866254087. The next prime is 22866254129. The reversal of 22866254109 is 90145266822.

22866254109 is a `hidden beast` number, since 2 + 2 + 8 + 6 + 625 + 4 + 10 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16543618884 + 6322635225 = 128622^2 + 79515^2 .

It is not a de Polignac number, because 22866254109 - 2⁵ = 22866254077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22866254129) 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, 43804824 + ... + 43805345.

It is an arithmetic number, because the mean of its divisors is an integer number (2847330525).

Almost surely, 2^22866254109 is an apocalyptic number.

22866254109 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

22866254109 is a deficient number, since it is larger than the sum of its proper divisors (11301712191).

22866254109 is a wasteful number, since it uses less digits than its factorization.

22866254109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87610204 (or 87610201 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 22866254109 in words is "twenty-two billion, eight hundred sixty-six million, two hundred fifty-four thousand, one hundred nine".