27223313 has 4 divisors (see below), whose sum is σ = 29317428. Its totient is φ = 25129200.

The previous prime is 27223309. The next prime is 27223331. The reversal of 27223313 is 31332272.

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 11950849 + 15272464 = 3457^2 + 3908^2 .

It is a cyclic number.

It is not a de Polignac number, because 27223313 - 2² = 27223309 is a prime.

It is a super-2 number, since 2×27223313² = 1482217541391938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27223913) 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, 1047038 + ... + 1047063.

It is an arithmetic number, because the mean of its divisors is an integer number (7329357).

Almost surely, 2^27223313 is an apocalyptic number.

It is an amenable number.

27223313 is a deficient number, since it is larger than the sum of its proper divisors (2094115).

27223313 is a wasteful number, since it uses less digits than its factorization.

27223313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094114.

The product of its digits is 1512, while the sum is 23.

The square root of 27223313 is about 5217.5964773064. The cubic root of 27223313 is about 300.8248153722.

Adding to 27223313 its reverse (31332272), we get a palindrome (58555585).

The spelling of 27223313 in words is "twenty-seven million, two hundred twenty-three thousand, three hundred thirteen".