22215682 has 8 divisors (see below), whose sum is σ = 34472700. Its totient is φ = 10724784.

The previous prime is 22215671. The next prime is 22215689. The reversal of 22215682 is 28651222.

It can be written as a sum of positive squares in 2 ways, for example, as 22099401 + 116281 = 4701^2 + 341^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 22215682.

It is not an unprimeable number, because it can be changed into a prime (22215689) 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 3 ways as a sum of consecutive naturals, for example, 191457 + ... + 191572.

Almost surely, 2^22215682 is an apocalyptic number.

22215682 is a deficient number, since it is larger than the sum of its proper divisors (12257018).

22215682 is a wasteful number, since it uses less digits than its factorization.

22215682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383060.

The product of its digits is 3840, while the sum is 28.

The square root of 22215682 is about 4713.3514615399. The cubic root of 22215682 is about 281.1166378757.

The spelling of 22215682 in words is "twenty-two million, two hundred fifteen thousand, six hundred eighty-two".