22182139 has 8 divisors (see below), whose sum is σ = 26685440. Its totient is φ = 18012456.

The previous prime is 22182137. The next prime is 22182169. The reversal of 22182139 is 93128122.

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

It is not a de Polignac number, because 22182139 - 2¹ = 22182137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22182133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83259 + ... + 83524.

It is an arithmetic number, because the mean of its divisors is an integer number (3335680).

Almost surely, 2^22182139 is an apocalyptic number.

22182139 is a deficient number, since it is larger than the sum of its proper divisors (4503301).

22182139 is a wasteful number, since it uses less digits than its factorization.

22182139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166809.

The product of its digits is 1728, while the sum is 28.

The square root of 22182139 is about 4709.7918213017. The cubic root of 22182139 is about 280.9750825370.

The spelling of 22182139 in words is "twenty-two million, one hundred eighty-two thousand, one hundred thirty-nine".