147428227 has 2 divisors, whose sum is σ = 147428228. Its totient is φ = 147428226.

The previous prime is 147428221. The next prime is 147428269. The reversal of 147428227 is 722824741.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 147428227 - 2¹¹ = 147426179 is a prime.

It is not a weakly prime, because it can be changed into another prime (147428221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73714113 + 73714114.

It is an arithmetic number, because the mean of its divisors is an integer number (73714114).

Almost surely, 2^147428227 is an apocalyptic number.

147428227 is a deficient number, since it is larger than the sum of its proper divisors (1).

147428227 is an equidigital number, since it uses as much as digits as its factorization.

147428227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50176, while the sum is 37.

The square root of 147428227 is about 12142.0025943005. The cubic root of 147428227 is about 528.2751891838.

The spelling of 147428227 in words is "one hundred forty-seven million, four hundred twenty-eight thousand, two hundred twenty-seven".