2221323330 has 16 divisors (see below), whose sum is σ = 5331176064. Its totient is φ = 592352880.

The previous prime is 2221323311. The next prime is 2221323331. The reversal of 2221323330 is 333231222.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2221323297 and 2221323306.

It is not an unprimeable number, because it can be changed into a prime (2221323331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37022026 + ... + 37022085.

It is an arithmetic number, because the mean of its divisors is an integer number (333198504).

Almost surely, 2^2221323330 is an apocalyptic number.

2221323330 is an abundant number, since it is smaller than the sum of its proper divisors (3109852734).

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

2221323330 is a wasteful number, since it uses less digits than its factorization.

2221323330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74044121.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 2221323330 is about 47130.9169229711. The cubic root of 2221323330 is about 1304.7799044563.

Adding to 2221323330 its reverse (333231222), we get a palindrome (2554554552).

The spelling of 2221323330 in words is "two billion, two hundred twenty-one million, three hundred twenty-three thousand, three hundred thirty".