8442122 has 8 divisors (see below), whose sum is σ = 13637316. Its totient is φ = 3896352.

The previous prime is 8442121. The next prime is 8442131. The reversal of 8442122 is 2212448.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6195121 + 2247001 = 2489^2 + 1499^2 .

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 (8442121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162323 + ... + 162374.

Almost surely, 2^8442122 is an apocalyptic number.

8442122 is a deficient number, since it is larger than the sum of its proper divisors (5195194).

8442122 is a wasteful number, since it uses less digits than its factorization.

8442122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324712.

The product of its digits is 1024, while the sum is 23.

The square root of 8442122 is about 2905.5329975755. The cubic root of 8442122 is about 203.6184879055.

The spelling of 8442122 in words is "eight million, four hundred forty-two thousand, one hundred twenty-two".