2243672 has 32 divisors (see below), whose sum is σ = 4590000. Its totient is φ = 1024128.

The previous prime is 2243669. The next prime is 2243693. The reversal of 2243672 is 2763422.

It is a d-powerful number, because it can be written as 2⁹ + 2¹⁷ + 4¹⁰ + 3¹² + 6⁵ + 7 + 2¹⁹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4154 + ... + 4662.

2^2243672 is an apocalyptic number.

It is an amenable number.

2243672 is an abundant number, since it is smaller than the sum of its proper divisors (2346328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2243672 is a wasteful number, since it uses less digits than its factorization.

2243672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563 (or 559 counting only the distinct ones).

The product of its digits is 4032, while the sum is 26.

The square root of 2243672 is about 1497.8891814817. The cubic root of 2243672 is about 130.9141095392.

The spelling of 2243672 in words is "two million, two hundred forty-three thousand, six hundred seventy-two".