2271659 has 16 divisors (see below), whose sum is σ = 2731680. Its totient is φ = 1866240.

The previous prime is 2271637. The next prime is 2271673. The reversal of 2271659 is 9561722.

2271659 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2271659 - 2⁸ = 2271403 is a prime.

It is a super-2 number, since 2×2271659² = 10320869224562, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2271679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3929 + ... + 4469.

It is an arithmetic number, because the mean of its divisors is an integer number (170730).

2^2271659 is an apocalyptic number.

2271659 is a deficient number, since it is larger than the sum of its proper divisors (460021).

2271659 is a wasteful number, since it uses less digits than its factorization.

2271659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590.

The product of its digits is 7560, while the sum is 32.

The square root of 2271659 is about 1507.2023752635. The cubic root of 2271659 is about 131.4561917039.

The spelling of 2271659 in words is "two million, two hundred seventy-one thousand, six hundred fifty-nine".