22866487 has 12 divisors (see below), whose sum is σ = 27168480. Its totient is φ = 19180896.

The previous prime is 22866469. The next prime is 22866491. The reversal of 22866487 is 78466822.

It is not a de Polignac number, because 22866487 - 2⁷ = 22866359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22866427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2662 + ... + 7267.

It is an arithmetic number, because the mean of its divisors is an integer number (2264040).

Almost surely, 2^22866487 is an apocalyptic number.

22866487 is a deficient number, since it is larger than the sum of its proper divisors (4301993).

22866487 is an equidigital number, since it uses as much as digits as its factorization.

22866487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9990 (or 9983 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 22866487 is about 4781.8915713345. The cubic root of 22866487 is about 283.8353497446.

The spelling of 22866487 in words is "twenty-two million, eight hundred sixty-six thousand, four hundred eighty-seven".