2274921 has 18 divisors (see below), whose sum is σ = 3613610. Its totient is φ = 1378080.

The previous prime is 2274917. The next prime is 2274931. The reversal of 2274921 is 1294722.

2274921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2205225 + 69696 = 1485^2 + 264^2 .

It is not a de Polignac number, because 2274921 - 2² = 2274917 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2274901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 45 + ... + 2133.

2^2274921 is an apocalyptic number.

It is an amenable number.

2274921 is a deficient number, since it is larger than the sum of its proper divisors (1338689).

2274921 is a wasteful number, since it uses less digits than its factorization.

2274921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117 (or 2103 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 2274921 is about 1508.2841244275. The cubic root of 2274921 is about 131.5190833336.

The spelling of 2274921 in words is "two million, two hundred seventy-four thousand, nine hundred twenty-one".