9997922 has 8 divisors (see below), whose sum is σ = 16360272. Its totient is φ = 4544500.

The previous prime is 9997913. The next prime is 9997927. The reversal of 9997922 is 2297999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (9997927) 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, 227204 + ... + 227247.

It is an arithmetic number, because the mean of its divisors is an integer number (2045034).

Almost surely, 2^9997922 is an apocalyptic number.

9997922 is a deficient number, since it is larger than the sum of its proper divisors (6362350).

9997922 is a wasteful number, since it uses less digits than its factorization.

9997922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454464.

The product of its digits is 183708, while the sum is 47.

The square root of 9997922 is about 3161.9490824490. The cubic root of 9997922 is about 215.4285449184.

It can be divided in two parts, 99979 and 22, that added together give a palindrome (100001).

The spelling of 9997922 in words is "nine million, nine hundred ninety-seven thousand, nine hundred twenty-two".