22382705 has 8 divisors (see below), whose sum is σ = 27031272. Its totient is φ = 17791488.

The previous prime is 22382687. The next prime is 22382707. The reversal of 22382705 is 50728322.

It can be written as a sum of positive squares in 4 ways, for example, as 5276209 + 17106496 = 2297^2 + 4136^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22382705 - 2²⁴ = 5605489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22382707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13472 + ... + 15041.

It is an arithmetic number, because the mean of its divisors is an integer number (3378909).

Almost surely, 2^22382705 is an apocalyptic number.

It is an amenable number.

22382705 is a deficient number, since it is larger than the sum of its proper divisors (4648567).

22382705 is a wasteful number, since it uses less digits than its factorization.

22382705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28675.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 22382705 is about 4731.0363558104. The cubic root of 22382705 is about 281.8193811793.

It can be divided in two parts, 223 and 82705, that added together give a palindrome (82928).

The spelling of 22382705 in words is "twenty-two million, three hundred eighty-two thousand, seven hundred five".