97223117 has 2 divisors, whose sum is σ = 97223118. Its totient is φ = 97223116.

The previous prime is 97223107. The next prime is 97223123. The reversal of 97223117 is 71132279.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97101316 + 121801 = 9854^2 + 349^2 .

It is an emirp because it is prime and its reverse (71132279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97223117 - 2¹⁶ = 97157581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97223107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48611558 + 48611559.

It is an arithmetic number, because the mean of its divisors is an integer number (48611559).

Almost surely, 2^97223117 is an apocalyptic number.

It is an amenable number.

97223117 is a deficient number, since it is larger than the sum of its proper divisors (1).

97223117 is an equidigital number, since it uses as much as digits as its factorization.

97223117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5292, while the sum is 32.

The square root of 97223117 is about 9860.1783452431. The cubic root of 97223117 is about 459.8221067015.

The spelling of 97223117 in words is "ninety-seven million, two hundred twenty-three thousand, one hundred seventeen".