548421227 has 2 divisors, whose sum is σ = 548421228. Its totient is φ = 548421226.

The previous prime is 548421221. The next prime is 548421257. The reversal of 548421227 is 722124845.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-548421227 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (548421221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274210613 + 274210614.

It is an arithmetic number, because the mean of its divisors is an integer number (274210614).

Almost surely, 2^548421227 is an apocalyptic number.

548421227 is a deficient number, since it is larger than the sum of its proper divisors (1).

548421227 is an equidigital number, since it uses as much as digits as its factorization.

548421227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35840, while the sum is 35.

The square root of 548421227 is about 23418.3950560238. The cubic root of 548421227 is about 818.5365663815.

The spelling of 548421227 in words is "five hundred forty-eight million, four hundred twenty-one thousand, two hundred twenty-seven".