97222393 has 4 divisors (see below), whose sum is σ = 97374708. Its totient is φ = 97070080.

The previous prime is 97222387. The next prime is 97222397. The reversal of 97222393 is 39322279.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78801129 + 18421264 = 8877^2 + 4292^2 .

It is a cyclic number.

It is not a de Polignac number, because 97222393 - 2⁵ = 97222361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97222397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75196 + ... + 76477.

It is an arithmetic number, because the mean of its divisors is an integer number (24343677).

Almost surely, 2^97222393 is an apocalyptic number.

It is an amenable number.

97222393 is a deficient number, since it is larger than the sum of its proper divisors (152315).

97222393 is a wasteful number, since it uses less digits than its factorization.

97222393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152314.

The product of its digits is 40824, while the sum is 37.

The square root of 97222393 is about 9860.1416318428. The cubic root of 97222393 is about 459.8209652993.

The spelling of 97222393 in words is "ninety-seven million, two hundred twenty-two thousand, three hundred ninety-three".