2220000320 has 28 divisors (see below), whose sum is σ = 5286376524. Its totient is φ = 888000000.

The previous prime is 2220000287. The next prime is 2220000331. The reversal of 2220000320 is 230000222.

It can be written as a sum of positive squares in 2 ways, for example, as 893292544 + 1326707776 = 29888^2 + 36424^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3468431 + ... + 3469070.

Almost surely, 2^2220000320 is an apocalyptic number.

2220000320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220000320 is an abundant number, since it is smaller than the sum of its proper divisors (3066376204).

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

2220000320 is an equidigital number, since it uses as much as digits as its factorization.

2220000320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6937518 (or 6937508 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 2220000320 is about 47116.8793533697. The cubic root of 2220000320 is about 1304.5208127001.

Adding to 2220000320 its reverse (230000222), we get a palindrome (2450000542).

The spelling of 2220000320 in words is "two billion, two hundred twenty million, three hundred twenty", and thus it is an aban number.