27223117 has 4 divisors (see below), whose sum is σ = 27258496. Its totient is φ = 27187740.

The previous prime is 27223111. The next prime is 27223121. The reversal of 27223117 is 71132272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27223117 - 2⁷ = 27222989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27223091 and 27223100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27223111) 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, 16509 + ... + 18082.

It is an arithmetic number, because the mean of its divisors is an integer number (6814624).

Almost surely, 2^27223117 is an apocalyptic number.

It is an amenable number.

27223117 is a deficient number, since it is larger than the sum of its proper divisors (35379).

27223117 is an equidigital number, since it uses as much as digits as its factorization.

27223117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35378.

The product of its digits is 1176, while the sum is 25.

The square root of 27223117 is about 5217.5776946779. The cubic root of 27223117 is about 300.8240934199.

Adding to 27223117 its reverse (71132272), we get a palindrome (98355389).

The spelling of 27223117 in words is "twenty-seven million, two hundred twenty-three thousand, one hundred seventeen".