227276321 has 2 divisors, whose sum is σ = 227276322. Its totient is φ = 227276320.

The previous prime is 227276303. The next prime is 227276323. The reversal of 227276321 is 123672722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222606400 + 4669921 = 14920^2 + 2161^2 .

It is a cyclic number.

It is not a de Polignac number, because 227276321 - 2¹⁰ = 227275297 is a prime.

It is a Sophie Germain prime.

Together with 227276323, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (227276323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113638160 + 113638161.

It is an arithmetic number, because the mean of its divisors is an integer number (113638161).

Almost surely, 2^227276321 is an apocalyptic number.

It is an amenable number.

227276321 is a deficient number, since it is larger than the sum of its proper divisors (1).

227276321 is an equidigital number, since it uses as much as digits as its factorization.

227276321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 32.

The square root of 227276321 is about 15075.6864188666. The cubic root of 227276321 is about 610.2644387830.

The spelling of 227276321 in words is "two hundred twenty-seven million, two hundred seventy-six thousand, three hundred twenty-one".