22132871 has 2 divisors, whose sum is σ = 22132872. Its totient is φ = 22132870.

The previous prime is 22132811. The next prime is 22132879. The reversal of 22132871 is 17823122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22132871 - 2¹⁰ = 22131847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22132871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22132879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11066435 + 11066436.

It is an arithmetic number, because the mean of its divisors is an integer number (11066436).

Almost surely, 2^22132871 is an apocalyptic number.

22132871 is a deficient number, since it is larger than the sum of its proper divisors (1).

22132871 is an equidigital number, since it uses as much as digits as its factorization.

22132871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 26.

The square root of 22132871 is about 4704.5585340178. The cubic root of 22132871 is about 280.7669069138.

Adding to 22132871 its reverse (17823122), we get a palindrome (39955993).

The spelling of 22132871 in words is "twenty-two million, one hundred thirty-two thousand, eight hundred seventy-one".