2766222 has 24 divisors (see below), whose sum is σ = 6028776. Its totient is φ = 916656.

The previous prime is 2766217. The next prime is 2766227. The reversal of 2766222 is 2226672.

2766222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2766217) and next prime (2766227).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2766227) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3748 + ... + 4424.

It is an arithmetic number, because the mean of its divisors is an integer number (251199).

2^2766222 is an apocalyptic number.

2766222 is an abundant number, since it is smaller than the sum of its proper divisors (3262554).

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

2766222 is a wasteful number, since it uses less digits than its factorization.

2766222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 909 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 2766222 is about 1663.1963203422. The cubic root of 2766222 is about 140.3769095394.

The spelling of 2766222 in words is "two million, seven hundred sixty-six thousand, two hundred twenty-two".