22517149009 has 8 divisors (see below), whose sum is σ = 23843830248. Its totient is φ = 21190705920.

The previous prime is 22517148989. The next prime is 22517149013. The reversal of 22517149009 is 90094171522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19214118225 + 3303030784 = 138615^2 + 57472^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22517149009 - 2¹¹ = 22517146961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22517149049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157839 + ... + 264475.

It is an arithmetic number, because the mean of its divisors is an integer number (2980478781).

Almost surely, 2^22517149009 is an apocalyptic number.

It is an amenable number.

22517149009 is a deficient number, since it is larger than the sum of its proper divisors (1326681239).

22517149009 is a wasteful number, since it uses less digits than its factorization.

22517149009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119075.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 22517149009 in words is "twenty-two billion, five hundred seventeen million, one hundred forty-nine thousand, nine".