22246209 has 12 divisors (see below), whose sum is σ = 32388096. Its totient is φ = 14713272.

The previous prime is 22246201. The next prime is 22246223. The reversal of 22246209 is 90264222.

It is not a de Polignac number, because 22246209 - 2³ = 22246201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22246201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8589 + ... + 10874.

It is an arithmetic number, because the mean of its divisors is an integer number (2699008).

Almost surely, 2^22246209 is an apocalyptic number.

It is an amenable number.

22246209 is a deficient number, since it is larger than the sum of its proper divisors (10141887).

22246209 is a wasteful number, since it uses less digits than its factorization.

22246209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19596 (or 19593 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 22246209 is about 4716.5887037137. The cubic root of 22246209 is about 281.2453415525.

The spelling of 22246209 in words is "twenty-two million, two hundred forty-six thousand, two hundred nine".