22409009 has 8 divisors (see below), whose sum is σ = 27116928. Its totient is φ = 18077760.

The previous prime is 22409003. The next prime is 22409017. The reversal of 22409009 is 90090422.

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 22409009 - 2⁴ = 22408993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22409003) 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, 94037 + ... + 94274.

It is an arithmetic number, because the mean of its divisors is an integer number (3389616).

Almost surely, 2^22409009 is an apocalyptic number.

It is an amenable number.

22409009 is a deficient number, since it is larger than the sum of its proper divisors (4707919).

22409009 is a wasteful number, since it uses less digits than its factorization.

22409009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188335.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 22409009 is about 4733.8154801386. The cubic root of 22409009 is about 281.9297353568.

The spelling of 22409009 in words is "twenty-two million, four hundred nine thousand, nine".