22182768 has 40 divisors (see below), whose sum is σ = 63674000. Its totient is φ = 7394112.

The previous prime is 22182751. The next prime is 22182799. The reversal of 22182768 is 86728122.

It is a happy number.

It is a super-2 number, since 2×22182768² = 984150392283648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 7 ways as a sum of consecutive naturals, for example, 25243 + ... + 26106.

It is an arithmetic number, because the mean of its divisors is an integer number (1591850).

Almost surely, 2^22182768 is an apocalyptic number.

It is an amenable number.

22182768 is an abundant number, since it is smaller than the sum of its proper divisors (41491232).

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

22182768 is a wasteful number, since it uses less digits than its factorization.

22182768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51366 (or 51354 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 22182768 is about 4709.8585966035. The cubic root of 22182768 is about 280.9777383022.

The spelling of 22182768 in words is "twenty-two million, one hundred eighty-two thousand, seven hundred sixty-eight".