22126909 has 8 divisors (see below), whose sum is σ = 25371200. Its totient is φ = 18903456.

The previous prime is 22126903. The next prime is 22126919. The reversal of 22126909 is 90962122.

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 22126909 - 2⁹ = 22126397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22126903) 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, 2859 + ... + 7240.

It is an arithmetic number, because the mean of its divisors is an integer number (3171400).

Almost surely, 2^22126909 is an apocalyptic number.

It is an amenable number.

22126909 is a deficient number, since it is larger than the sum of its proper divisors (3244291).

22126909 is a wasteful number, since it uses less digits than its factorization.

22126909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10419.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 22126909 is about 4703.9248505902. The cubic root of 22126909 is about 280.7416942994.

The spelling of 22126909 in words is "twenty-two million, one hundred twenty-six thousand, nine hundred nine".