2223120 has 80 divisors (see below), whose sum is σ = 7053120. Its totient is φ = 579072.

The previous prime is 2223119. The next prime is 2223149. The reversal of 2223120 is 213222.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2223096 and 2223105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14082 + ... + 14238.

It is an arithmetic number, because the mean of its divisors is an integer number (88164).

2^2223120 is an apocalyptic number.

2223120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2223120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3526560).

2223120 is an abundant number, since it is smaller than the sum of its proper divisors (4830000).

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

2223120 is a wasteful number, since it uses less digits than its factorization.

2223120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2223120 is about 1491.0130784135. The cubic root of 2223120 is about 130.5131590788.

Adding to 2223120 its reverse (213222), we get a palindrome (2436342).

The spelling of 2223120 in words is "two million, two hundred twenty-three thousand, one hundred twenty".