22042982 has 16 divisors (see below), whose sum is σ = 37703232. Its totient is φ = 9575040.

The previous prime is 22042981. The next prime is 22042997. The reversal of 22042982 is 28924022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22042981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24494 + ... + 25377.

It is an arithmetic number, because the mean of its divisors is an integer number (2356452).

Almost surely, 2^22042982 is an apocalyptic number.

22042982 is a deficient number, since it is larger than the sum of its proper divisors (15660250).

22042982 is a wasteful number, since it uses less digits than its factorization.

22042982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49903.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 22042982 is about 4694.9954206580. The cubic root of 22042982 is about 280.3862950438.

The spelling of 22042982 in words is "twenty-two million, forty-two thousand, nine hundred eighty-two".