22470909409 has 15 divisors (see below), whose sum is σ = 24370895237. Its totient is φ = 20718993048.

The previous prime is 22470909359. The next prime is 22470909437. The reversal of 22470909409 is 90490907422.

The square root of 22470909409 is 149903.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11141435809 + 11329473600 = 105553^2 + 106440^2 .

It is not a de Polignac number, because 22470909409 - 2¹³ = 22470901217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22470919409) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 25333164 + ... + 25334050.

Almost surely, 2^22470909409 is an apocalyptic number.

22470909409 is the 149903-rd square number.

22470909409 is the 74952-nd centered octagonal number.

It is an amenable number.

22470909409 is a deficient number, since it is larger than the sum of its proper divisors (1899985828).

22470909409 is an frugal number, since it uses more digits than its factorization.

22470909409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 22470909409 in words is "twenty-two billion, four hundred seventy million, nine hundred nine thousand, four hundred nine".