2271501 has 12 divisors (see below), whose sum is σ = 3330912. Its totient is φ = 1491336.

The previous prime is 2271499. The next prime is 2271551. The reversal of 2271501 is 1051722.

It is not a de Polignac number, because 2271501 - 2¹ = 2271499 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1281 + ... + 2486.

It is an arithmetic number, because the mean of its divisors is an integer number (277576).

2^2271501 is an apocalyptic number.

It is an amenable number.

2271501 is a deficient number, since it is larger than the sum of its proper divisors (1059411).

2271501 is a wasteful number, since it uses less digits than its factorization.

2271501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3840 (or 3837 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 2271501 is about 1507.1499593604. The cubic root of 2271501 is about 131.4531439225.

It can be divided in two parts, 2271 and 501, that added together give a palindrome (2772).

The spelling of 2271501 in words is "two million, two hundred seventy-one thousand, five hundred one".