2271541 has 12 divisors (see below), whose sum is σ = 2449252. Its totient is φ = 2104704.

The previous prime is 2271499. The next prime is 2271551. The reversal of 2271541 is 1451722.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 180625 + 2090916 = 425^2 + 1446^2 .

It is not a de Polignac number, because 2271541 - 2²¹ = 174389 is a prime.

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, 31081 + ... + 31153.

2^2271541 is an apocalyptic number.

It is an amenable number.

2271541 is a deficient number, since it is larger than the sum of its proper divisors (177711).

2271541 is an equidigital number, since it uses as much as digits as its factorization.

2271541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 139 counting only the distinct ones).

The product of its digits is 560, while the sum is 22.

The square root of 2271541 is about 1507.1632293816. The cubic root of 2271541 is about 131.4539155261.

The spelling of 2271541 in words is "two million, two hundred seventy-one thousand, five hundred forty-one".