22985983 has 4 divisors (see below), whose sum is σ = 23009688. Its totient is φ = 22962280.

The previous prime is 22985957. The next prime is 22986001. The reversal of 22985983 is 38958922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22985983 - 2¹⁷ = 22854911 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 (22985923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10333 + ... + 12358.

It is an arithmetic number, because the mean of its divisors is an integer number (5752422).

Almost surely, 2^22985983 is an apocalyptic number.

22985983 is a deficient number, since it is larger than the sum of its proper divisors (23705).

22985983 is a wasteful number, since it uses less digits than its factorization.

22985983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23704.

The product of its digits is 311040, while the sum is 46.

The square root of 22985983 is about 4794.3699273210. The cubic root of 22985983 is about 284.3289145300.

It can be divided in two parts, 2298 and 5983, that added together give a square (8281 = 91²).

The spelling of 22985983 in words is "twenty-two million, nine hundred eighty-five thousand, nine hundred eighty-three".