22009107 has 4 divisors (see below), whose sum is σ = 29345480. Its totient is φ = 14672736.

The previous prime is 22009081. The next prime is 22009109. The reversal of 22009107 is 70190022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22009107 - 2⁷ = 22008979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22009109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3668182 + ... + 3668187.

It is an arithmetic number, because the mean of its divisors is an integer number (7336370).

Almost surely, 2^22009107 is an apocalyptic number.

22009107 is a deficient number, since it is larger than the sum of its proper divisors (7336373).

22009107 is an equidigital number, since it uses as much as digits as its factorization.

22009107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7336372.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 22009107 is about 4691.3864688384. The cubic root of 22009107 is about 280.2425916290.

Adding to 22009107 its reverse (70190022), we get a palindrome (92199129).

The spelling of 22009107 in words is "twenty-two million, nine thousand, one hundred seven".