22244382 has 40 divisors (see below), whose sum is σ = 50683512. Its totient is φ = 7290000.

The previous prime is 22244333. The next prime is 22244401. The reversal of 22244382 is 28344222.

22244382 is a `hidden beast` number, since 2 + 224 + 438 + 2 = 666.

22244382 is nontrivially palindromic in base 13.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 19 ways as a sum of consecutive naturals, for example, 8757 + ... + 11007.

Almost surely, 2^22244382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22244382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25341756).

22244382 is an abundant number, since it is smaller than the sum of its proper divisors (28439130).

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

22244382 is a wasteful number, since it uses less digits than its factorization.

22244382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326 (or 2317 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 22244382 is about 4716.3950216240. The cubic root of 22244382 is about 281.2376421237.

The spelling of 22244382 in words is "twenty-two million, two hundred forty-four thousand, three hundred eighty-two".