2266665533 has 36 divisors (see below), whose sum is σ = 2613381372. Its totient is φ = 1964160000.

The previous prime is 2266665529. The next prime is 2266665589. The reversal of 2266665533 is 3355666622.

It can be written as a sum of positive squares in 2 ways, for example, as 1484792089 + 781873444 = 38533^2 + 27962^2 .

It is not a de Polignac number, because 2266665533 - 2² = 2266665529 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266665503) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11744285 + ... + 11744477.

It is an arithmetic number, because the mean of its divisors is an integer number (72593927).

Almost surely, 2^2266665533 is an apocalyptic number.

It is an amenable number.

2266665533 is a deficient number, since it is larger than the sum of its proper divisors (346715839).

2266665533 is a wasteful number, since it uses less digits than its factorization.

2266665533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 336 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 44.

The square root of 2266665533 is about 47609.5109510694. The cubic root of 2266665533 is about 1313.5980051767.

The spelling of 2266665533 in words is "two billion, two hundred sixty-six million, six hundred sixty-five thousand, five hundred thirty-three".