22220232222 has 32 divisors (see below), whose sum is σ = 45184027680. Its totient is φ = 7282897920.

The previous prime is 22220232217. The next prime is 22220232323. The reversal of 22220232222 is 22223202222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1336054 + ... + 1352582.

It is an arithmetic number, because the mean of its divisors is an integer number (1412000865).

Almost surely, 2^22220232222 is an apocalyptic number.

22220232222 is an abundant number, since it is smaller than the sum of its proper divisors (22963795458).

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

22220232222 is a wasteful number, since it uses less digits than its factorization.

22220232222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20268.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 22220232222 its reverse (22223202222), we get a palindrome (44443434444).

The spelling of 22220232222 in words is "twenty-two billion, two hundred twenty million, two hundred thirty-two thousand, two hundred twenty-two".