2260666 has 8 divisors (see below), whose sum is σ = 3508020. Its totient is φ = 1091328.

The previous prime is 2260651. The next prime is 2260673. The reversal of 2260666 is 6660622.

It can be written as a sum of positive squares in 2 ways, for example, as 2117025 + 143641 = 1455^2 + 379^2 .

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

It is a super-2 number, since 2×2260666² = 10221221527112, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19431 + ... + 19546.

2^2260666 is an apocalyptic number.

2260666 is a deficient number, since it is larger than the sum of its proper divisors (1247354).

2260666 is a wasteful number, since it uses less digits than its factorization.

2260666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39008.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2260666 is about 1503.5511298257. The cubic root of 2260666 is about 131.2438013701.

It can be divided in two parts, 2260 and 666, that added together give a triangular number (2926 = T₇₆).

The spelling of 2260666 in words is "two million, two hundred sixty thousand, six hundred sixty-six".