2271365 has 8 divisors (see below), whose sum is σ = 2844288. Its totient is φ = 1738000.

The previous prime is 2271349. The next prime is 2271377. The reversal of 2271365 is 5631722.

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

It is not a de Polignac number, because 2271365 - 2⁴ = 2271349 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

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, 9761 + ... + 9990.

It is an arithmetic number, because the mean of its divisors is an integer number (355536).

2^2271365 is an apocalyptic number.

It is an amenable number.

2271365 is a deficient number, since it is larger than the sum of its proper divisors (572923).

2271365 is a wasteful number, since it uses less digits than its factorization.

2271365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19779.

The product of its digits is 2520, while the sum is 26.

The square root of 2271365 is about 1507.1048404142. The cubic root of 2271365 is about 131.4505204026.

The spelling of 2271365 in words is "two million, two hundred seventy-one thousand, three hundred sixty-five".