9922147 has 4 divisors (see below), whose sum is σ = 10264320. Its totient is φ = 9579976.

The previous prime is 9922127. The next prime is 9922151. The reversal of 9922147 is 7412299.

It is a happy number.

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

It is not a de Polignac number, because 9922147 - 2⁷ = 9922019 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (9922127) 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, 171043 + ... + 171100.

It is an arithmetic number, because the mean of its divisors is an integer number (2566080).

Almost surely, 2^9922147 is an apocalyptic number.

9922147 is a deficient number, since it is larger than the sum of its proper divisors (342173).

9922147 is a wasteful number, since it uses less digits than its factorization.

9922147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342172.

The product of its digits is 9072, while the sum is 34.

The square root of 9922147 is about 3149.9439677556. The cubic root of 9922147 is about 214.8829144351.

The spelling of 9922147 in words is "nine million, nine hundred twenty-two thousand, one hundred forty-seven".