27224201 has 4 divisors (see below), whose sum is σ = 27265092. Its totient is φ = 27183312.

The previous prime is 27224189. The next prime is 27224209. The reversal of 27224201 is 10242272.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21864976 + 5359225 = 4676^2 + 2315^2 .

It is a cyclic number.

It is not a de Polignac number, because 27224201 - 2⁶ = 27224137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27224209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19430 + ... + 20783.

It is an arithmetic number, because the mean of its divisors is an integer number (6816273).

Almost surely, 2^27224201 is an apocalyptic number.

It is an amenable number.

27224201 is a deficient number, since it is larger than the sum of its proper divisors (40891).

27224201 is an equidigital number, since it uses as much as digits as its factorization.

27224201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40890.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 27224201 is about 5217.6815732660. The cubic root of 27224201 is about 300.8280862150.

Adding to 27224201 its reverse (10242272), we get a palindrome (37466473).

The spelling of 27224201 in words is "twenty-seven million, two hundred twenty-four thousand, two hundred one".