22220002122222 has 32 divisors (see below), whose sum is σ = 47057484016800. Its totient is φ = 6970483002368.

The previous prime is 22220002122179. The next prime is 22220002122229. The reversal of 22220002122222 is 22222120002222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220002122229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6346197 + ... + 9204032.

It is an arithmetic number, because the mean of its divisors is an integer number (1470546375525).

Almost surely, 2^{22220002122222} is an apocalyptic number.

22220002122222 is an abundant number, since it is smaller than the sum of its proper divisors (24837481894578).

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

22220002122222 is a wasteful number, since it uses less digits than its factorization.

22220002122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15564260.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 22220002122222 its reverse (22222120002222), we get a palindrome (44442122124444).

The spelling of 22220002122222 in words is "twenty-two trillion, two hundred twenty billion, two million, one hundred twenty-two thousand, two hundred twenty-two".