2666622 has 32 divisors (see below), whose sum is σ = 6147072. Its totient is φ = 755424.

The previous prime is 2666591. The next prime is 2666633. The reversal of 2666622 is 2266662.

2666622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2666622² = 14221745781768, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 2666622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7083 + ... + 7449.

It is an arithmetic number, because the mean of its divisors is an integer number (192096).

2^2666622 is an apocalyptic number.

2666622 is an abundant number, since it is smaller than the sum of its proper divisors (3480450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2666622 is a wasteful number, since it uses less digits than its factorization.

2666622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552.

The product of its digits is 10368, while the sum is 30.

The square root of 2666622 is about 1632.9794854805. The cubic root of 2666622 is about 138.6714806124.

The spelling of 2666622 in words is "two million, six hundred sixty-six thousand, six hundred twenty-two".