2206256766 has 16 divisors (see below), whose sum is σ = 5042872704. Its totient is φ = 630359064.

The previous prime is 2206256749. The next prime is 2206256777. The reversal of 2206256766 is 6676526022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 52529923 = 2206256766 / (2 + 2 + 0 + 6 + 2 + 5 + 6 + 7 + 6 + 6).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26264920 + ... + 26265003.

It is an arithmetic number, because the mean of its divisors is an integer number (315179544).

Almost surely, 2^2206256766 is an apocalyptic number.

2206256766 is an abundant number, since it is smaller than the sum of its proper divisors (2836615938).

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

2206256766 is a wasteful number, since it uses less digits than its factorization.

2206256766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52529935.

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 2206256766 is about 46970.8075936533. The cubic root of 2206256766 is about 1301.8232338522.

It can be divided in two parts, 2206256 and 766, that added together give a palindrome (2207022).

The spelling of 2206256766 in words is "two billion, two hundred six million, two hundred fifty-six thousand, seven hundred sixty-six".