22012589109 has 16 divisors (see below), whose sum is σ = 33630584832. Its totient is φ = 12545775408.

The previous prime is 22012589101. The next prime is 22012589119. The reversal of 22012589109 is 90198521022.

It is not a de Polignac number, because 22012589109 - 2³ = 22012589101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012589101) 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, 1360389 + ... + 1376474.

It is an arithmetic number, because the mean of its divisors is an integer number (2101911552).

Almost surely, 2^22012589109 is an apocalyptic number.

It is an amenable number.

22012589109 is a deficient number, since it is larger than the sum of its proper divisors (11617995723).

22012589109 is a wasteful number, since it uses less digits than its factorization.

22012589109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2737256.

The product of its (nonzero) digits is 25920, while the sum is 39.

The spelling of 22012589109 in words is "twenty-two billion, twelve million, five hundred eighty-nine thousand, one hundred nine".