22982409 has 6 divisors (see below), whose sum is σ = 33196826. Its totient is φ = 15321600.

The previous prime is 22982369. The next prime is 22982417. The reversal of 22982409 is 90428922.

It can be written as a sum of positive squares in only one way, i.e., 20250000 + 2732409 = 4500^2 + 1653^2 .

It is not a de Polignac number, because 22982409 - 2⁹ = 22981897 is a prime.

It is a super-2 number, since 2×22982409² = 1056382246886562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22982429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1276792 + ... + 1276809.

Almost surely, 2^22982409 is an apocalyptic number.

It is an amenable number.

22982409 is a deficient number, since it is larger than the sum of its proper divisors (10214417).

22982409 is a wasteful number, since it uses less digits than its factorization.

22982409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553607 (or 2553604 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 22982409 is about 4793.9971839791. The cubic root of 22982409 is about 284.3141773717.

The spelling of 22982409 in words is "twenty-two million, nine hundred eighty-two thousand, four hundred nine".