2223445200 has 120 divisors (see below), whose sum is σ = 7133049408. Its totient is φ = 592035840.

The previous prime is 2223445187. The next prime is 2223445207. The reversal of 2223445200 is 25443222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223445207) 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 23 ways as a sum of consecutive naturals, for example, 1382797 + ... + 1384403.

Almost surely, 2^2223445200 is an apocalyptic number.

2223445200 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 2223445200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3566524704).

2223445200 is an abundant number, since it is smaller than the sum of its proper divisors (4909604208).

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

2223445200 is a wasteful number, since it uses less digits than its factorization.

2223445200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781 (or 2770 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 2223445200 is about 47153.4219330899. The cubic root of 2223445200 is about 1305.1952262942.

Adding to 2223445200 its reverse (25443222), we get a palindrome (2248888422).

The spelling of 2223445200 in words is "two billion, two hundred twenty-three million, four hundred forty-five thousand, two hundred".