2266661 has 8 divisors (see below), whose sum is σ = 2418624. Its totient is φ = 2116800.

The previous prime is 2266639. The next prime is 2266679. The reversal of 2266661 is 1666622.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2266661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266601) 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, 2126 + ... + 3008.

It is an arithmetic number, because the mean of its divisors is an integer number (302328).

2^2266661 is an apocalyptic number.

It is an amenable number.

2266661 is a deficient number, since it is larger than the sum of its proper divisors (151963).

2266661 is a wasteful number, since it uses less digits than its factorization.

2266661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051.

The product of its digits is 5184, while the sum is 29.

The square root of 2266661 is about 1505.5434234854. The cubic root of 2266661 is about 131.3597129508.

The spelling of 2266661 in words is "two million, two hundred sixty-six thousand, six hundred sixty-one".