27226345 has 4 divisors (see below), whose sum is σ = 32671620. Its totient is φ = 21781072.

The previous prime is 27226327. The next prime is 27226349. The reversal of 27226345 is 54362272.

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 11162281 + 16064064 = 3341^2 + 4008^2 .

It is a cyclic number.

It is not a de Polignac number, because 27226345 - 2⁷ = 27226217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27226349) 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, 2722630 + ... + 2722639.

It is an arithmetic number, because the mean of its divisors is an integer number (8167905).

Almost surely, 2^27226345 is an apocalyptic number.

It is an amenable number.

27226345 is a deficient number, since it is larger than the sum of its proper divisors (5445275).

27226345 is an equidigital number, since it uses as much as digits as its factorization.

27226345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5445274.

The product of its digits is 20160, while the sum is 31.

The square root of 27226345 is about 5217.8870244573. The cubic root of 27226345 is about 300.8359830919.

The spelling of 27226345 in words is "twenty-seven million, two hundred twenty-six thousand, three hundred forty-five".