22466609 has 4 divisors (see below), whose sum is σ = 24509040. Its totient is φ = 20424180.

The previous prime is 22466603. The next prime is 22466617. The reversal of 22466609 is 90666422.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22466609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22466603) 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 3 ways as a sum of consecutive naturals, for example, 1021199 + ... + 1021220.

It is an arithmetic number, because the mean of its divisors is an integer number (6127260).

Almost surely, 2^22466609 is an apocalyptic number.

It is an amenable number.

22466609 is a deficient number, since it is larger than the sum of its proper divisors (2042431).

22466609 is a wasteful number, since it uses less digits than its factorization.

22466609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042430.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 22466609 is about 4739.8954629823. The cubic root of 22466609 is about 282.1710855940.

The spelling of 22466609 in words is "twenty-two million, four hundred sixty-six thousand, six hundred nine".