97322213 has 4 divisors (see below), whose sum is σ = 98655468. Its totient is φ = 95988960.

The previous prime is 97322209. The next prime is 97322221. The reversal of 97322213 is 31222379.

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 33849124 + 63473089 = 5818^2 + 7967^2 .

It is a cyclic number.

It is not a de Polignac number, because 97322213 - 2² = 97322209 is a prime.

It is a super-3 number, since 3×97322213³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97322413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666518 + ... + 666663.

It is an arithmetic number, because the mean of its divisors is an integer number (24663867).

Almost surely, 2^97322213 is an apocalyptic number.

It is an amenable number.

97322213 is a deficient number, since it is larger than the sum of its proper divisors (1333255).

97322213 is a wasteful number, since it uses less digits than its factorization.

97322213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333254.

The product of its digits is 4536, while the sum is 29.

The square root of 97322213 is about 9865.2021266672. The cubic root of 97322213 is about 459.9782803229.

The spelling of 97322213 in words is "ninety-seven million, three hundred twenty-two thousand, two hundred thirteen".