97822271 has 2 divisors, whose sum is σ = 97822272. Its totient is φ = 97822270.

The previous prime is 97822261. The next prime is 97822313. The reversal of 97822271 is 17222879.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97822271 - 2¹⁴ = 97805887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97822261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48911135 + 48911136.

It is an arithmetic number, because the mean of its divisors is an integer number (48911136).

Almost surely, 2^97822271 is an apocalyptic number.

97822271 is a deficient number, since it is larger than the sum of its proper divisors (1).

97822271 is an equidigital number, since it uses as much as digits as its factorization.

97822271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 38.

The square root of 97822271 is about 9890.5141929022. The cubic root of 97822271 is about 460.7647502669.

The spelling of 97822271 in words is "ninety-seven million, eight hundred twenty-two thousand, two hundred seventy-one".