22439141209 has 9 divisors (see below), whose sum is σ = 22602243573. Its totient is φ = 22277210652.

The previous prime is 22439141203. The next prime is 22439141243. The reversal of 22439141209 is 90214193422.

The square root of 22439141209 is 149797.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 22439141209 - 2¹¹ = 22439139161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22439141203) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 24416452 + ... + 24417370.

It is an arithmetic number, because the mean of its divisors is an integer number (2511360397).

Almost surely, 2^22439141209 is an apocalyptic number.

22439141209 is the 149797-th square number.

22439141209 is the 74899-th centered octagonal number.

It is an amenable number.

22439141209 is a deficient number, since it is larger than the sum of its proper divisors (163102364).

22439141209 is an frugal number, since it uses more digits than its factorization.

22439141209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164 (or 1082 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 22439141209 in words is "twenty-two billion, four hundred thirty-nine million, one hundred forty-one thousand, two hundred nine".