2272664666 has 8 divisors (see below), whose sum is σ = 3450069504. Its totient is φ = 1122641500.

The previous prime is 2272664659. The next prime is 2272664677. The reversal of 2272664666 is 6664662722.

2272664666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2272664666.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6845210 + ... + 6845541.

It is an arithmetic number, because the mean of its divisors is an integer number (431258688).

Almost surely, 2^2272664666 is an apocalyptic number.

2272664666 is a deficient number, since it is larger than the sum of its proper divisors (1177404838).

2272664666 is a wasteful number, since it uses less digits than its factorization.

2272664666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13690836.

The product of its digits is 1741824, while the sum is 47.

The square root of 2272664666 is about 47672.4728328624. The cubic root of 2272664666 is about 1314.7558744338.

The spelling of 2272664666 in words is "two billion, two hundred seventy-two million, six hundred sixty-four thousand, six hundred sixty-six".