22641327 has 6 divisors (see below), whose sum is σ = 32704152. Its totient is φ = 15094212.

The previous prime is 22641323. The next prime is 22641329. The reversal of 22641327 is 72314622.

22641327 is a `hidden beast` number, since 226 + 413 + 27 = 666.

It is not a de Polignac number, because 22641327 - 2² = 22641323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22641327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22641323) 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, 1257843 + ... + 1257860.

It is an arithmetic number, because the mean of its divisors is an integer number (5450692).

Almost surely, 2^22641327 is an apocalyptic number.

22641327 is a deficient number, since it is larger than the sum of its proper divisors (10062825).

22641327 is a wasteful number, since it uses less digits than its factorization.

22641327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515709 (or 2515706 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 22641327 is about 4758.2903442308. The cubic root of 22641327 is about 282.9006589440.

Adding to 22641327 its reverse (72314622), we get a palindrome (94955949).

The spelling of 22641327 in words is "twenty-two million, six hundred forty-one thousand, three hundred twenty-seven".