22427327 has 4 divisors (see below), whose sum is σ = 24152520. Its totient is φ = 20702136.

The previous prime is 22427303. The next prime is 22427329. The reversal of 22427327 is 72372422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22427327 - 2¹² = 22423231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22427327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22427329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862577 + ... + 862602.

It is an arithmetic number, because the mean of its divisors is an integer number (6038130).

Almost surely, 2^22427327 is an apocalyptic number.

22427327 is a deficient number, since it is larger than the sum of its proper divisors (1725193).

22427327 is a wasteful number, since it uses less digits than its factorization.

22427327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725192.

The product of its digits is 9408, while the sum is 29.

The square root of 22427327 is about 4735.7498878214. The cubic root of 22427327 is about 282.0065345635.

Adding to 22427327 its reverse (72372422), we get a palindrome (94799749).

The spelling of 22427327 in words is "twenty-two million, four hundred twenty-seven thousand, three hundred twenty-seven".