2271329 has 4 divisors (see below), whose sum is σ = 2300160. Its totient is φ = 2242500.

The previous prime is 2271307. The next prime is 2271337. The reversal of 2271329 is 9231722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2271329 - 2¹⁶ = 2205793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2271298 and 2271307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271349) 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, 14297 + ... + 14454.

It is an arithmetic number, because the mean of its divisors is an integer number (575040).

2^2271329 is an apocalyptic number.

It is an amenable number.

2271329 is a deficient number, since it is larger than the sum of its proper divisors (28831).

2271329 is an equidigital number, since it uses as much as digits as its factorization.

2271329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28830.

The product of its digits is 1512, while the sum is 26.

The square root of 2271329 is about 1507.0928969377. The cubic root of 2271329 is about 131.4498259239.

The spelling of 2271329 in words is "two million, two hundred seventy-one thousand, three hundred twenty-nine".