22223232330 has 64 divisors (see below), whose sum is σ = 57568613760. Its totient is φ = 5457943296.

The previous prime is 22223232329. The next prime is 22223232331. The reversal of 22223232330 is 3323232222.

It is an interprime number because it is at equal distance from previous prime (22223232329) and next prime (22223232331).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22223232330.

It is not an unprimeable number, because it can be changed into a prime (22223232331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108456 + ... + 237084.

It is an arithmetic number, because the mean of its divisors is an integer number (899509590).

Almost surely, 2^22223232330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22223232330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28784306880).

22223232330 is an abundant number, since it is smaller than the sum of its proper divisors (35345381430).

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

22223232330 is a wasteful number, since it uses less digits than its factorization.

22223232330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129095.

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 22223232330 its reverse (3323232222), we get a palindrome (25546464552).

The spelling of 22223232330 in words is "twenty-two billion, two hundred twenty-three million, two hundred thirty-two thousand, three hundred thirty".