9947122 has 16 divisors (see below), whose sum is σ = 15238080. Its totient is φ = 4869072.

The previous prime is 9947101. The next prime is 9947123. The reversal of 9947122 is 2217499.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9947123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22233 + ... + 22675.

It is an arithmetic number, because the mean of its divisors is an integer number (952380).

Almost surely, 2^9947122 is an apocalyptic number.

9947122 is a deficient number, since it is larger than the sum of its proper divisors (5290958).

9947122 is a wasteful number, since it uses less digits than its factorization.

9947122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657.

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

The square root of 9947122 is about 3153.9058324560. The cubic root of 9947122 is about 215.0630570406.

The spelling of 9947122 in words is "nine million, nine hundred forty-seven thousand, one hundred twenty-two".