2206764886 has 4 divisors (see below), whose sum is σ = 3310147332. Its totient is φ = 1103382442.

The previous prime is 2206764881. The next prime is 2206764893. The reversal of 2206764886 is 6884676022.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2206764886² = 9739622524165185992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206764881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551691220 + ... + 551691223.

It is an arithmetic number, because the mean of its divisors is an integer number (827536833).

Almost surely, 2^2206764886 is an apocalyptic number.

2206764886 is a deficient number, since it is larger than the sum of its proper divisors (1103382446).

2206764886 is a wasteful number, since it uses less digits than its factorization.

2206764886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103382445.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The square root of 2206764886 is about 46976.2161737192. The cubic root of 2206764886 is about 1301.9231665612.

The spelling of 2206764886 in words is "two billion, two hundred six million, seven hundred sixty-four thousand, eight hundred eighty-six".