22986643 has 8 divisors (see below), whose sum is σ = 23248080. Its totient is φ = 22727040.

The previous prime is 22986641. The next prime is 22986661. The reversal of 22986643 is 34668922.

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 22986643 - 2¹ = 22986641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22986596 and 22986605.

It is not an unprimeable number, because it can be changed into a prime (22986641) 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, 50071 + ... + 50527.

It is an arithmetic number, because the mean of its divisors is an integer number (2906010).

Almost surely, 2^22986643 is an apocalyptic number.

22986643 is a deficient number, since it is larger than the sum of its proper divisors (261437).

22986643 is a wasteful number, since it uses less digits than its factorization.

22986643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917.

The product of its digits is 124416, while the sum is 40.

The square root of 22986643 is about 4794.4387575607. The cubic root of 22986643 is about 284.3316358303.

The spelling of 22986643 in words is "twenty-two million, nine hundred eighty-six thousand, six hundred forty-three".