2223321320 has 64 divisors (see below), whose sum is σ = 5466450240. Its totient is φ = 807116800.

The previous prime is 2223321311. The next prime is 2223321329. The reversal of 2223321320 is 231233222.

It is an interprime number because it is at equal distance from previous prime (2223321311) and next prime (2223321329).

It is a super-3 number, since 3×2223321320³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2223321292 and 2223321301.

It is not an unprimeable number, because it can be changed into a prime (2223321329) 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, 278099 + ... + 285981.

It is an arithmetic number, because the mean of its divisors is an integer number (85413285).

Almost surely, 2^2223321320 is an apocalyptic number.

2223321320 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 2223321320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2733225120).

2223321320 is an abundant number, since it is smaller than the sum of its proper divisors (3243128920).

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

2223321320 is a wasteful number, since it uses less digits than its factorization.

2223321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8546 (or 8542 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2223321320 is about 47152.1083303812. The cubic root of 2223321320 is about 1305.1709860464.

Adding to 2223321320 its reverse (231233222), we get a palindrome (2454554542).

The spelling of 2223321320 in words is "two billion, two hundred twenty-three million, three hundred twenty-one thousand, three hundred twenty".