22441982 has 4 divisors (see below), whose sum is σ = 33662976. Its totient is φ = 11220990.

The previous prime is 22441981. The next prime is 22441999. The reversal of 22441982 is 28914422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28914422 = 2 ⋅14457211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22441981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610494 + ... + 5610497.

It is an arithmetic number, because the mean of its divisors is an integer number (8415744).

Almost surely, 2^22441982 is an apocalyptic number.

22441982 is a deficient number, since it is larger than the sum of its proper divisors (11220994).

22441982 is a wasteful number, since it uses less digits than its factorization.

22441982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11220993.

The product of its digits is 9216, while the sum is 32.

The square root of 22441982 is about 4737.2969085756. The cubic root of 22441982 is about 282.0679463389.

The spelling of 22441982 in words is "twenty-two million, four hundred forty-one thousand, nine hundred eighty-two".