2220334320 has 80 divisors (see below), whose sum is σ = 6895085472. Its totient is φ = 591052800.

The previous prime is 2220334313. The next prime is 2220334321. The reversal of 2220334320 is 234330222.

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

It is a super-4 number, since 4×2220334320⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220334321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134520 + ... + 150120.

Almost surely, 2^2220334320 is an apocalyptic number.

2220334320 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 2220334320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3447542736).

2220334320 is an abundant number, since it is smaller than the sum of its proper divisors (4674751152).

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

2220334320 is a wasteful number, since it uses less digits than its factorization.

2220334320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16210 (or 16204 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 2220334320 is about 47120.4235974169. The cubic root of 2220334320 is about 1304.5862313247.

Adding to 2220334320 its reverse (234330222), we get a palindrome (2454664542).

The spelling of 2220334320 in words is "two billion, two hundred twenty million, three hundred thirty-four thousand, three hundred twenty".