122202221988 has 96 divisors (see below), whose sum is σ = 355681105920. Its totient is φ = 31724432640.

The previous prime is 122202221971. The next prime is 122202221989. The reversal of 122202221988 is 889122202221.

It is not an unprimeable number, because it can be changed into a prime (122202221989) 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, 1808353 + ... + 1874711.

It is an arithmetic number, because the mean of its divisors is an integer number (3705011520).

Almost surely, 2^122202221988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122202221988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177840552960).

122202221988 is an abundant number, since it is smaller than the sum of its proper divisors (233478883932).

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

122202221988 is a wasteful number, since it uses less digits than its factorization.

122202221988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68377 (or 68375 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The spelling of 122202221988 in words is "one hundred twenty-two billion, two hundred two million, two hundred twenty-one thousand, nine hundred eighty-eight".