2266660 has 24 divisors (see below), whose sum is σ = 5193216. Its totient is φ = 824160.

The previous prime is 2266639. The next prime is 2266679. The reversal of 2266660 is 666622.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4932 + ... + 5371.

It is an arithmetic number, because the mean of its divisors is an integer number (216384).

2^2266660 is an apocalyptic number.

2266660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2266660 is an abundant number, since it is smaller than the sum of its proper divisors (2926556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2266660 is a wasteful number, since it uses less digits than its factorization.

2266660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10323 (or 10321 counting only the distinct ones).

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

The square root of 2266660 is about 1505.5430913793. The cubic root of 2266660 is about 131.3596936332.

It can be divided in two parts, 2266 and 660, that added together give a triangular number (2926 = T₇₆).

The spelling of 2266660 in words is "two million, two hundred sixty-six thousand, six hundred sixty".