2266001 has 4 divisors (see below), whose sum is σ = 2286900. Its totient is φ = 2245104.

The previous prime is 2265979. The next prime is 2266003. The reversal of 2266001 is 1006622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1809025 + 456976 = 1345^2 + 676^2 .

It is a cyclic number.

It is not a de Polignac number, because 2266001 - 2¹⁸ = 2003857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2266003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10286 + ... + 10503.

It is an arithmetic number, because the mean of its divisors is an integer number (571725).

2^2266001 is an apocalyptic number.

It is an amenable number.

2266001 is a deficient number, since it is larger than the sum of its proper divisors (20899).

2266001 is a wasteful number, since it uses less digits than its factorization.

2266001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20898.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2266001 is about 1505.3242175691. The cubic root of 2266001 is about 131.3469620621.

The spelling of 2266001 in words is "two million, two hundred sixty-six thousand, one".