8922397 has 4 divisors (see below), whose sum is σ = 9733536. Its totient is φ = 8111260.

The previous prime is 8922383. The next prime is 8922421. The reversal of 8922397 is 7932298.

8922397 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8922397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8922307) 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, 405553 + ... + 405574.

It is an arithmetic number, because the mean of its divisors is an integer number (2433384).

Almost surely, 2^8922397 is an apocalyptic number.

It is an amenable number.

8922397 is a deficient number, since it is larger than the sum of its proper divisors (811139).

8922397 is a wasteful number, since it uses less digits than its factorization.

8922397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811138.

The product of its digits is 54432, while the sum is 40.

The square root of 8922397 is about 2987.0381651395. The cubic root of 8922397 is about 207.4088010705.

Subtracting from 8922397 its reverse (7932298), we obtain a palindrome (990099).

The spelling of 8922397 in words is "eight million, nine hundred twenty-two thousand, three hundred ninety-seven".