22987983 has 8 divisors (see below), whose sum is σ = 30677248. Its totient is φ = 15312024.

The previous prime is 22987969. The next prime is 22987997. The reversal of 22987983 is 38978922.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22987969) and next prime (22987997).

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-22987983 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 (22987963) 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, 1866 + ... + 7032.

It is an arithmetic number, because the mean of its divisors is an integer number (3834656).

Almost surely, 2^22987983 is an apocalyptic number.

22987983 is a deficient number, since it is larger than the sum of its proper divisors (7689265).

22987983 is a wasteful number, since it uses less digits than its factorization.

22987983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6653.

The product of its digits is 435456, while the sum is 48.

The square root of 22987983 is about 4794.5785007652. The cubic root of 22987983 is about 284.3371607343.

The spelling of 22987983 in words is "twenty-two million, nine hundred eighty-seven thousand, nine hundred eighty-three".