2273248666 has 8 divisors (see below), whose sum is σ = 3672170964. Its totient is φ = 1049191680.

The previous prime is 2273248657. The next prime is 2273248669. The reversal of 2273248666 is 6668423722.

It can be written as a sum of positive squares in 2 ways, for example, as 1753180641 + 520068025 = 41871^2 + 22805^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2273248669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43716295 + ... + 43716346.

Almost surely, 2^2273248666 is an apocalyptic number.

2273248666 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2273248666 is a deficient number, since it is larger than the sum of its proper divisors (1398922298).

2273248666 is a wasteful number, since it uses less digits than its factorization.

2273248666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87432656.

The product of its digits is 1161216, while the sum is 46.

The square root of 2273248666 is about 47678.5975674621. The cubic root of 2273248666 is about 1314.8684811143.

The spelling of 2273248666 in words is "two billion, two hundred seventy-three million, two hundred forty-eight thousand, six hundred sixty-six".