22127982 has 32 divisors (see below), whose sum is σ = 47062944. Its totient is φ = 6912000.

The previous prime is 22127947. The next prime is 22128011. The reversal of 22127982 is 28972122.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 40632 + ... + 41172.

It is an arithmetic number, because the mean of its divisors is an integer number (1470717).

Almost surely, 2^22127982 is an apocalyptic number.

22127982 is an abundant number, since it is smaller than the sum of its proper divisors (24934962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22127982 is a wasteful number, since it uses less digits than its factorization.

22127982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964.

The product of its digits is 8064, while the sum is 33.

The square root of 22127982 is about 4704.0389029004. The cubic root of 22127982 is about 280.7462322276.

It can be divided in two parts, 221 and 27982, that added together give a triangular number (28203 = T₂₃₇).

The spelling of 22127982 in words is "twenty-two million, one hundred twenty-seven thousand, nine hundred eighty-two".