2266631065 has 8 divisors (see below), whose sum is σ = 2720766600. Its totient is φ = 1812765312.

The previous prime is 2266631057. The next prime is 2266631069. The reversal of 2266631065 is 5601366622.

It can be written as a sum of positive squares in 4 ways, for example, as 3916441 + 2262714624 = 1979^2 + 47568^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2266631065 - 2³ = 2266631057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2266631069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48474 + ... + 82963.

It is an arithmetic number, because the mean of its divisors is an integer number (340095825).

Almost surely, 2^2266631065 is an apocalyptic number.

It is an amenable number.

2266631065 is a deficient number, since it is larger than the sum of its proper divisors (454135535).

2266631065 is a wasteful number, since it uses less digits than its factorization.

2266631065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134891.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 2266631065 is about 47609.1489631982. The cubic root of 2266631065 is about 1313.5913467432.

Adding to 2266631065 its reverse (5601366622), we get a palindrome (7867997687).

The spelling of 2266631065 in words is "two billion, two hundred sixty-six million, six hundred thirty-one thousand, sixty-five".