22856009 has 8 divisors (see below), whose sum is σ = 25177152. Its totient is φ = 20575440.

The previous prime is 22856003. The next prime is 22856027. The reversal of 22856009 is 90065822.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22856009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22856003) 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, 8954 + ... + 11219.

It is an arithmetic number, because the mean of its divisors is an integer number (3147144).

Almost surely, 2^22856009 is an apocalyptic number.

It is an amenable number.

22856009 is a deficient number, since it is larger than the sum of its proper divisors (2321143).

22856009 is a wasteful number, since it uses less digits than its factorization.

22856009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20287.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 22856009 is about 4780.7958542485. The cubic root of 22856009 is about 283.7919896201.

The spelling of 22856009 in words is "twenty-two million, eight hundred fifty-six thousand, nine".