22026909 has 8 divisors (see below), whose sum is σ = 30915040. Its totient is φ = 13911696.

The previous prime is 22026899. The next prime is 22026911. The reversal of 22026909 is 90962022.

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

It is not a de Polignac number, because 22026909 - 2²⁴ = 5249693 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22026919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193162 + ... + 193275.

It is an arithmetic number, because the mean of its divisors is an integer number (3864380).

Almost surely, 2^22026909 is an apocalyptic number.

It is an amenable number.

22026909 is a deficient number, since it is larger than the sum of its proper divisors (8888131).

22026909 is a wasteful number, since it uses less digits than its factorization.

22026909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386459.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 22026909 is about 4693.2833922532. The cubic root of 22026909 is about 280.3181290590.

The spelling of 22026909 in words is "twenty-two million, twenty-six thousand, nine hundred nine".