27226057 has 4 divisors (see below), whose sum is σ = 27506836. Its totient is φ = 26945280.

The previous prime is 27226051. The next prime is 27226063. The reversal of 27226057 is 75062272.

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

It is an interprime number because it is at equal distance from previous prime (27226051) and next prime (27226063).

It can be written as a sum of positive squares in 2 ways, for example, as 3984016 + 23242041 = 1996^2 + 4821^2 .

It is a cyclic number.

It is not a de Polignac number, because 27226057 - 2³ = 27226049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27226051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140244 + ... + 140437.

It is an arithmetic number, because the mean of its divisors is an integer number (6876709).

Almost surely, 2^27226057 is an apocalyptic number.

It is an amenable number.

27226057 is a deficient number, since it is larger than the sum of its proper divisors (280779).

27226057 is an equidigital number, since it uses as much as digits as its factorization.

27226057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280778.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 27226057 is about 5217.8594270064. The cubic root of 27226057 is about 300.8349223415.

The spelling of 27226057 in words is "twenty-seven million, two hundred twenty-six thousand, fifty-seven".