22887609 has 8 divisors (see below), whose sum is σ = 32123040. Its totient is φ = 14455296.

The previous prime is 22887607. The next prime is 22887611. The reversal of 22887609 is 90678822.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22887607) and next prime (22887611).

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

It is not a de Polignac number, because 22887609 - 2¹ = 22887607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22887607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200712 + ... + 200825.

It is an arithmetic number, because the mean of its divisors is an integer number (4015380).

Almost surely, 2^22887609 is an apocalyptic number.

It is an amenable number.

22887609 is a deficient number, since it is larger than the sum of its proper divisors (9235431).

22887609 is a wasteful number, since it uses less digits than its factorization.

22887609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401559.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 22887609 is about 4784.0996018060. The cubic root of 22887609 is about 283.9227166886.

The spelling of 22887609 in words is "twenty-two million, eight hundred eighty-seven thousand, six hundred nine".