2288444 has 12 divisors (see below), whose sum is σ = 4029144. Its totient is φ = 1137264.

The previous prime is 2288441. The next prime is 2288449. The reversal of 2288444 is 4448822.

It is a super-2 number, since 2×2288444² = 10473951882272, which contains 22 as substring.

It is an Ulam number.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2288444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2288441) 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, 962 + ... + 2345.

It is an arithmetic number, because the mean of its divisors is an integer number (335762).

2^2288444 is an apocalyptic number.

It is an amenable number.

2288444 is a deficient number, since it is larger than the sum of its proper divisors (1740700).

2288444 is a wasteful number, since it uses less digits than its factorization.

2288444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484 (or 3482 counting only the distinct ones).

The product of its digits is 16384, while the sum is 32.

The square root of 2288444 is about 1512.7603908088. The cubic root of 2288444 is about 131.7791685649.

The spelling of 2288444 in words is "two million, two hundred eighty-eight thousand, four hundred forty-four".