22870687 has 8 divisors (see below), whose sum is σ = 26241696. Its totient is φ = 19525632.

The previous prime is 22870663. The next prime is 22870691. The reversal of 22870687 is 78607822.

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

It is a de Polignac number, because none of the positive numbers 2^k-22870687 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 (22870607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4558 + ... + 8155.

It is an arithmetic number, because the mean of its divisors is an integer number (3280212).

Almost surely, 2^22870687 is an apocalyptic number.

22870687 is a deficient number, since it is larger than the sum of its proper divisors (3371009).

22870687 is a wasteful number, since it uses less digits than its factorization.

22870687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12977.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 22870687 is about 4782.3307079289. The cubic root of 22870687 is about 283.8527264917.

The spelling of 22870687 in words is "twenty-two million, eight hundred seventy thousand, six hundred eighty-seven".