7866122 has 8 divisors (see below), whose sum is σ = 12871872. Its totient is φ = 3575500.

The previous prime is 7866107. The next prime is 7866127. The reversal of 7866122 is 2216687.

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

It is a d-powerful number, because it can be written as 7⁸ + 8⁴ + 6² + 6² + 1 + 2²⁰ + 2²⁰ .

It is not an unprimeable number, because it can be changed into a prime (7866127) 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, 178754 + ... + 178797.

It is an arithmetic number, because the mean of its divisors is an integer number (1608984).

Almost surely, 2^7866122 is an apocalyptic number.

7866122 is a deficient number, since it is larger than the sum of its proper divisors (5005750).

7866122 is a wasteful number, since it uses less digits than its factorization.

7866122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357564.

The product of its digits is 8064, while the sum is 32.

The square root of 7866122 is about 2804.6607638001. The cubic root of 7866122 is about 198.8780681126.

The spelling of 7866122 in words is "seven million, eight hundred sixty-six thousand, one hundred twenty-two".