2222660866 has 16 divisors (see below), whose sum is σ = 3350160000. Its totient is φ = 1105950208.

The previous prime is 2222660851. The next prime is 2222660873. The reversal of 2222660866 is 6680662222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 739635 + ... + 742633.

It is an arithmetic number, because the mean of its divisors is an integer number (209385000).

Almost surely, 2^2222660866 is an apocalyptic number.

2222660866 is a deficient number, since it is larger than the sum of its proper divisors (1127499134).

2222660866 is a wasteful number, since it uses less digits than its factorization.

2222660866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4673.

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 2222660866 is about 47145.1043693828. The cubic root of 2222660866 is about 1305.0417363574.

The spelling of 2222660866 in words is "two billion, two hundred twenty-two million, six hundred sixty thousand, eight hundred sixty-six".