2267644 has 6 divisors (see below), whose sum is σ = 3968384. Its totient is φ = 1133820.

The previous prime is 2267633. The next prime is 2267653. The reversal of 2267644 is 4467622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283452 + ... + 283459.

2^2267644 is an apocalyptic number.

It is an amenable number.

2267644 is a deficient number, since it is larger than the sum of its proper divisors (1700740).

2267644 is a wasteful number, since it uses less digits than its factorization.

2267644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566915 (or 566913 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 2267644 is about 1505.8698482937. The cubic root of 2267644 is about 131.3786994594.

The spelling of 2267644 in words is "two million, two hundred sixty-seven thousand, six hundred forty-four".