222773640465666 has 96 divisors (see below), whose sum is σ = 474784802718912. Its totient is φ = 69670270356480.

The previous prime is 222773640465617. The next prime is 222773640465689. The reversal of 222773640465666 is 666564046377222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222773640465597 and 222773640465606.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2419381620 + ... + 2419473696.

It is an arithmetic number, because the mean of its divisors is an integer number (4945675028322).

Almost surely, 2^{222773640465666} is an apocalyptic number.

222773640465666 is an abundant number, since it is smaller than the sum of its proper divisors (252011162253246).

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

222773640465666 is a wasteful number, since it uses less digits than its factorization.

222773640465666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96484 (or 96467 counting only the distinct ones).

The product of its (nonzero) digits is 731566080, while the sum is 66.

The spelling of 222773640465666 in words is "two hundred twenty-two trillion, seven hundred seventy-three billion, six hundred forty million, four hundred sixty-five thousand, six hundred sixty-six".