2666227285 has 8 divisors (see below), whose sum is σ = 3200024376. Its totient is φ = 2132614080.

The previous prime is 2666227243. The next prime is 2666227337. The reversal of 2666227285 is 5827226662.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 47141956 + 2619085329 = 6866^2 + 51177^2 .

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

It is not a de Polignac number, because 2666227285 - 2²⁹ = 2129356373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11754 + ... + 73963.

It is an arithmetic number, because the mean of its divisors is an integer number (400003047).

Almost surely, 2^2666227285 is an apocalyptic number.

It is an amenable number.

2666227285 is a deficient number, since it is larger than the sum of its proper divisors (533797091).

2666227285 is an equidigital number, since it uses as much as digits as its factorization.

2666227285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91943.

The product of its digits is 967680, while the sum is 46.

The square root of 2666227285 is about 51635.5234794807. The cubic root of 2666227285 is about 1386.6463819598.

The spelling of 2666227285 in words is "two billion, six hundred sixty-six million, two hundred twenty-seven thousand, two hundred eighty-five".