22181341 has 16 divisors (see below), whose sum is σ = 28739200. Its totient is φ = 16625088.

The previous prime is 22181339. The next prime is 22181347. The reversal of 22181341 is 14318122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22181341 - 2¹ = 22181339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22181347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4686 + ... + 8143.

It is an arithmetic number, because the mean of its divisors is an integer number (1796200).

Almost surely, 2^22181341 is an apocalyptic number.

It is an amenable number.

22181341 is a deficient number, since it is larger than the sum of its proper divisors (6557859).

22181341 is a wasteful number, since it uses less digits than its factorization.

22181341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12868.

The product of its digits is 384, while the sum is 22.

The square root of 22181341 is about 4709.7071034195. The cubic root of 22181341 is about 280.9717131474.

Adding to 22181341 its reverse (14318122), we get a palindrome (36499463).

It can be divided in two parts, 22181 and 341, that added together give a palindrome (22522).

The spelling of 22181341 in words is "twenty-two million, one hundred eighty-one thousand, three hundred forty-one".