97319227 has 4 divisors (see below), whose sum is σ = 98322616. Its totient is φ = 96315840.

The previous prime is 97319221. The next prime is 97319239. The reversal of 97319227 is 72291379.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72291379 = 7297 ⋅9907.

It is a cyclic number.

It is not a de Polignac number, because 97319227 - 2³ = 97319219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97319227.

It is not an unprimeable number, because it can be changed into a prime (97319221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501549 + ... + 501742.

It is an arithmetic number, because the mean of its divisors is an integer number (24580654).

Almost surely, 2^97319227 is an apocalyptic number.

97319227 is a gapful number since it is divisible by the number (97) formed by its first and last digit.

97319227 is a deficient number, since it is larger than the sum of its proper divisors (1003389).

97319227 is a wasteful number, since it uses less digits than its factorization.

97319227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003388.

The product of its digits is 47628, while the sum is 40.

The square root of 97319227 is about 9865.0507854750. The cubic root of 97319227 is about 459.9735759869.

The spelling of 97319227 in words is "ninety-seven million, three hundred nineteen thousand, two hundred twenty-seven".