27920227 has 2 divisors, whose sum is σ = 27920228. Its totient is φ = 27920226.

The previous prime is 27920147. The next prime is 27920231. The reversal of 27920227 is 72202972.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27920227 - 2¹¹ = 27918179 is a prime.

It is not a weakly prime, because it can be changed into another prime (27920257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13960113 + 13960114.

It is an arithmetic number, because the mean of its divisors is an integer number (13960114).

Almost surely, 2^27920227 is an apocalyptic number.

27920227 is a deficient number, since it is larger than the sum of its proper divisors (1).

27920227 is an equidigital number, since it uses as much as digits as its factorization.

27920227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 27920227 is about 5283.9594055973. The cubic root of 27920227 is about 303.3702445388.

The spelling of 27920227 in words is "twenty-seven million, nine hundred twenty thousand, two hundred twenty-seven".