22709109 has 4 divisors (see below), whose sum is σ = 30278816. Its totient is φ = 15139404.

The previous prime is 22709107. The next prime is 22709129. The reversal of 22709109 is 90190722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22709109 - 2¹ = 22709107 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 (22709101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3784849 + ... + 3784854.

It is an arithmetic number, because the mean of its divisors is an integer number (7569704).

Almost surely, 2^22709109 is an apocalyptic number.

It is an amenable number.

22709109 is a deficient number, since it is larger than the sum of its proper divisors (7569707).

22709109 is an equidigital number, since it uses as much as digits as its factorization.

22709109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7569706.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 22709109 is about 4765.4075376614. The cubic root of 22709109 is about 283.1826870062.

The spelling of 22709109 in words is "twenty-two million, seven hundred nine thousand, one hundred nine".