2212665706 has 16 divisors (see below), whose sum is σ = 3406940064. Its totient is φ = 1077182064.

The previous prime is 2212665701. The next prime is 2212665713. The reversal of 2212665706 is 6075662122.

It is not an unprimeable number, because it can be changed into a prime (2212665701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13320 + ... + 67843.

It is an arithmetic number, because the mean of its divisors is an integer number (212933754).

Almost surely, 2^2212665706 is an apocalyptic number.

2212665706 is a deficient number, since it is larger than the sum of its proper divisors (1194274358).

2212665706 is a wasteful number, since it uses less digits than its factorization.

2212665706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81525.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 2212665706 is about 47038.9807074941. The cubic root of 2212665706 is about 1303.0825676603.

The spelling of 2212665706 in words is "two billion, two hundred twelve million, six hundred sixty-five thousand, seven hundred six".