2271049 has 9 divisors (see below), whose sum is σ = 2514631. Its totient is φ = 2049520.

The previous prime is 2271041. The next prime is 2271053. The reversal of 2271049 is 9401722.

The square root of 2271049 is 1507.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1334025 + 937024 = 1155^2 + 968^2 .

It is not a de Polignac number, because 2271049 - 2³ = 2271041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2271041) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16509 + ... + 16645.

2^2271049 is an apocalyptic number.

2271049 is the 1507-th square number.

2271049 is the 754-th centered octagonal number.

It is an amenable number.

2271049 is a deficient number, since it is larger than the sum of its proper divisors (243582).

2271049 is an equidigital number, since it uses as much as digits as its factorization.

2271049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The cubic root of 2271049 is about 131.4444241725. Note that the first 4 decimals are identical.

Multiplying 2271049 by its sum of digits (25), we get a square (56776225 = 7535²).

The spelling of 2271049 in words is "two million, two hundred seventy-one thousand, forty-nine".