97222194724309 has 4 divisors (see below), whose sum is σ = 97383962103820. Its totient is φ = 97060427344800.

The previous prime is 97222194724253. The next prime is 97222194724313. The reversal of 97222194724309 is 90342749122279.

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 76425885996100 + 20796308728209 = 8742190^2 + 4560297^2 .

It is a cyclic number.

It is not a de Polignac number, because 97222194724309 - 2¹⁵ = 97222194691541 is a prime.

It is a super-2 number, since 2×97222194724309² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97222194724379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80883688854 + ... + 80883690055.

It is an arithmetic number, because the mean of its divisors is an integer number (24345990525955).

Almost surely, 2^{97222194724309} is an apocalyptic number.

It is an amenable number.

97222194724309 is a deficient number, since it is larger than the sum of its proper divisors (161767379511).

97222194724309 is a wasteful number, since it uses less digits than its factorization.

97222194724309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161767379510.

The product of its (nonzero) digits is 27433728, while the sum is 61.

The spelling of 97222194724309 in words is "ninety-seven trillion, two hundred twenty-two billion, one hundred ninety-four million, seven hundred twenty-four thousand, three hundred nine".