2274561 has 10 divisors (see below), whose sum is σ = 3397922. Its totient is φ = 1516320.

The previous prime is 2274551. The next prime is 2274589. The reversal of 2274561 is 1654722.

It can be written as a sum of positive squares in only one way, i.e., 1703025 + 571536 = 1305^2 + 756^2 .

It is not a de Polignac number, because 2274561 - 2⁶ = 2274497 is a prime.

It is a super-3 number, since 3×2274561³ = 35303195676333661443, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2274511) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13960 + ... + 14121.

2^2274561 is an apocalyptic number.

It is an amenable number.

2274561 is a deficient number, since it is larger than the sum of its proper divisors (1123361).

2274561 is an equidigital number, since it uses as much as digits as its factorization.

2274561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28093 (or 28084 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 2274561 is about 1508.1647787957. The cubic root of 2274561 is about 131.5121454564.

The spelling of 2274561 in words is "two million, two hundred seventy-four thousand, five hundred sixty-one".