27220147 has 2 divisors, whose sum is σ = 27220148. Its totient is φ = 27220146.

The previous prime is 27220129. The next prime is 27220153. The reversal of 27220147 is 74102272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27220147 - 2⁷ = 27220019 is a prime.

It is not a weakly prime, because it can be changed into another prime (27220117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13610073 + 13610074.

It is an arithmetic number, because the mean of its divisors is an integer number (13610074).

Almost surely, 2^27220147 is an apocalyptic number.

27220147 is a deficient number, since it is larger than the sum of its proper divisors (1).

27220147 is an equidigital number, since it uses as much as digits as its factorization.

27220147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 27220147 is about 5217.2930720825. The cubic root of 27220147 is about 300.8131532074.

The spelling of 27220147 in words is "twenty-seven million, two hundred twenty thousand, one hundred forty-seven".