22382191 has 6 divisors (see below), whose sum is σ = 24236520. Its totient is φ = 20660328.

The previous prime is 22382189. The next prime is 22382237. The reversal of 22382191 is 19128322.

It is not a de Polignac number, because 22382191 - 2¹ = 22382189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22382131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66051 + ... + 66388.

It is an arithmetic number, because the mean of its divisors is an integer number (4039420).

Almost surely, 2^22382191 is an apocalyptic number.

22382191 is a deficient number, since it is larger than the sum of its proper divisors (1854329).

22382191 is a wasteful number, since it uses less digits than its factorization.

22382191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132465 (or 132452 counting only the distinct ones).

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

The square root of 22382191 is about 4730.9820333626. The cubic root of 22382191 is about 281.8172239144.

The spelling of 22382191 in words is "twenty-two million, three hundred eighty-two thousand, one hundred ninety-one".