7666622 has 16 divisors (see below), whose sum is σ = 11884272. Its totient is φ = 3706560.

The previous prime is 7666621. The next prime is 7666639. The reversal of 7666622 is 2266667.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7666621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22997 + ... + 23327.

It is an arithmetic number, because the mean of its divisors is an integer number (742767).

Almost surely, 2^7666622 is an apocalyptic number.

7666622 is a deficient number, since it is larger than the sum of its proper divisors (4217650).

7666622 is a wasteful number, since it uses less digits than its factorization.

7666622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683.

The product of its digits is 36288, while the sum is 35.

The square root of 7666622 is about 2768.8665551088. The cubic root of 7666622 is about 197.1823403880.

The spelling of 7666622 in words is "seven million, six hundred sixty-six thousand, six hundred twenty-two".