27221055 has 8 divisors (see below), whose sum is σ = 43553712. Its totient is φ = 14517888.

The previous prime is 27221041. The next prime is 27221059. The reversal of 27221055 is 55012272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27221055 - 2⁴ = 27221039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27221059) 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 7 ways as a sum of consecutive naturals, for example, 907354 + ... + 907383.

It is an arithmetic number, because the mean of its divisors is an integer number (5444214).

Almost surely, 2^27221055 is an apocalyptic number.

27221055 is a deficient number, since it is larger than the sum of its proper divisors (16332657).

27221055 is a wasteful number, since it uses less digits than its factorization.

27221055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814745.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 27221055 is about 5217.3800896619. The cubic root of 27221055 is about 300.8164979764.

The spelling of 27221055 in words is "twenty-seven million, two hundred twenty-one thousand, fifty-five".