22200202122 has 64 divisors (see below), whose sum is σ = 52092370944. Its totient is φ = 6175687680.

The previous prime is 22200202099. The next prime is 22200202139. The reversal of 22200202122 is 22120200222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351847 + ... + 410117.

It is an arithmetic number, because the mean of its divisors is an integer number (813943296).

Almost surely, 2^22200202122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22200202122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26046185472).

22200202122 is an abundant number, since it is smaller than the sum of its proper divisors (29892168822).

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

22200202122 is a wasteful number, since it uses less digits than its factorization.

22200202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58523.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22200202122 its reverse (22120200222), we get a palindrome (44320402344).

The spelling of 22200202122 in words is "twenty-two billion, two hundred million, two hundred two thousand, one hundred twenty-two".