22456609 has 8 divisors (see below), whose sum is σ = 27174528. Its totient is φ = 18116160.

The previous prime is 22456607. The next prime is 22456627. The reversal of 22456609 is 90665422.

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

It is a cyclic number.

It is not a de Polignac number, because 22456609 - 2¹ = 22456607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22456607) 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, 94237 + ... + 94474.

It is an arithmetic number, because the mean of its divisors is an integer number (3396816).

Almost surely, 2^22456609 is an apocalyptic number.

It is an amenable number.

22456609 is a deficient number, since it is larger than the sum of its proper divisors (4717919).

22456609 is a wasteful number, since it uses less digits than its factorization.

22456609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188735.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 22456609 is about 4738.8404699884. The cubic root of 22456609 is about 282.1292141273.

The spelling of 22456609 in words is "twenty-two million, four hundred fifty-six thousand, six hundred nine".