227221097 has 2 divisors, whose sum is σ = 227221098. Its totient is φ = 227221096.

The previous prime is 227221081. The next prime is 227221129. The reversal of 227221097 is 790122722.

It is an a-pointer prime, because the next prime (227221129) can be obtained adding 227221097 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192127321 + 35093776 = 13861^2 + 5924^2 .

It is a cyclic number.

It is not a de Polignac number, because 227221097 - 2⁴ = 227221081 is a prime.

It is not a weakly prime, because it can be changed into another prime (227221037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113610548 + 113610549.

It is an arithmetic number, because the mean of its divisors is an integer number (113610549).

Almost surely, 2^227221097 is an apocalyptic number.

It is an amenable number.

227221097 is a deficient number, since it is larger than the sum of its proper divisors (1).

227221097 is an equidigital number, since it uses as much as digits as its factorization.

227221097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 227221097 is about 15073.8547492007. The cubic root of 227221097 is about 610.2150070705.

The spelling of 227221097 in words is "two hundred twenty-seven million, two hundred twenty-one thousand, ninety-seven".