21883082 has 16 divisors (see below), whose sum is σ = 35475720. Its totient is φ = 10063872.

The previous prime is 21883073. The next prime is 21883111. The reversal of 21883082 is 28038812.

It can be written as a sum of positive squares in 4 ways, for example, as 2337841 + 19545241 = 1529^2 + 4421^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6794 + ... + 9482.

Almost surely, 2^21883082 is an apocalyptic number.

21883082 is a deficient number, since it is larger than the sum of its proper divisors (13592638).

21883082 is a wasteful number, since it uses less digits than its factorization.

21883082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3017.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 21883082 is about 4677.9356558208. The cubic root of 21883082 is about 279.7066741138.

The spelling of 21883082 in words is "twenty-one million, eight hundred eighty-three thousand, eighty-two".