22443982 has 16 divisors (see below), whose sum is σ = 36945072. Its totient is φ = 10141120.

The previous prime is 22443977. The next prime is 22443983. The reversal of 22443982 is 28934422.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22443983) 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, 858 + ... + 6754.

It is an arithmetic number, because the mean of its divisors is an integer number (2309067).

Almost surely, 2^22443982 is an apocalyptic number.

22443982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22443982 is a deficient number, since it is larger than the sum of its proper divisors (14501090).

22443982 is a wasteful number, since it uses less digits than its factorization.

22443982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6083.

The product of its digits is 27648, while the sum is 34.

The square root of 22443982 is about 4737.5079947162. The cubic root of 22443982 is about 282.0763252651.

It can be divided in two parts, 2244 and 3982, that added together give a palindrome (6226).

The spelling of 22443982 in words is "twenty-two million, four hundred forty-three thousand, nine hundred eighty-two".