2223072 has 96 divisors (see below), whose sum is σ = 6773760. Its totient is φ = 708480.

The previous prime is 2223059. The next prime is 2223079. The reversal of 2223072 is 2703222.

2223072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223079) 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 15 ways as a sum of consecutive naturals, for example, 26743 + ... + 26825.

It is an arithmetic number, because the mean of its divisors is an integer number (70560).

2^2223072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2223072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3386880).

2223072 is an abundant number, since it is smaller than the sum of its proper divisors (4550688).

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

2223072 is a wasteful number, since it uses less digits than its factorization.

2223072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 2223072 is about 1490.9969818883. The cubic root of 2223072 is about 130.5122197568.

Adding to 2223072 its reverse (2703222), we get a palindrome (4926294).

The spelling of 2223072 in words is "two million, two hundred twenty-three thousand, seventy-two".