22988609 has 8 divisors (see below), whose sum is σ = 26328960. Its totient is φ = 19662336.

The previous prime is 22988597. The next prime is 22988621. The reversal of 22988609 is 90688922.

It is an interprime number because it is at equal distance from previous prime (22988597) and next prime (22988621).

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 22988609 - 2⁸ = 22988353 is a prime.

It is a super-2 number, since 2×22988609² = 1056952287509762, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22988609.

It is not an unprimeable number, because it can be changed into a prime (22988699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257 + ... + 6785.

It is an arithmetic number, because the mean of its divisors is an integer number (3291120).

Almost surely, 2^22988609 is an apocalyptic number.

It is an amenable number.

22988609 is a deficient number, since it is larger than the sum of its proper divisors (3340351).

22988609 is an equidigital number, since it uses as much as digits as its factorization.

22988609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7039.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 22988609 is about 4794.6437823888. The cubic root of 22988609 is about 284.3397416980.

The spelling of 22988609 in words is "twenty-two million, nine hundred eighty-eight thousand, six hundred nine".