2274644 has 12 divisors (see below), whose sum is σ = 4118100. Its totient is φ = 1098048.

The previous prime is 2274641. The next prime is 2274653. The reversal of 2274644 is 4464722.

It can be written as a sum of positive squares in 2 ways, for example, as 1926544 + 348100 = 1388^2 + 590^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2274641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9689 + ... + 9920.

It is an arithmetic number, because the mean of its divisors is an integer number (343175).

2^2274644 is an apocalyptic number.

It is an amenable number.

2274644 is a deficient number, since it is larger than the sum of its proper divisors (1843456).

2274644 is a wasteful number, since it uses less digits than its factorization.

2274644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19642 (or 19640 counting only the distinct ones).

The product of its digits is 10752, while the sum is 29.

The square root of 2274644 is about 1508.1922954319. The cubic root of 2274644 is about 131.5137450875.

The spelling of 2274644 in words is "two million, two hundred seventy-four thousand, six hundred forty-four".