122202221022 has 96 divisors (see below), whose sum is σ = 316478154240. Its totient is φ = 34850677680.

The previous prime is 122202221021. The next prime is 122202221077. The reversal of 122202221022 is 220122202221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 122202220986 and 122202221004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122202221021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1405147 + ... + 1489577.

It is an arithmetic number, because the mean of its divisors is an integer number (3296647440).

Almost surely, 2^122202221022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122202221022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158239077120).

122202221022 is an abundant number, since it is smaller than the sum of its proper divisors (194275933218).

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

122202221022 is a wasteful number, since it uses less digits than its factorization.

122202221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85003 (or 84990 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 122202221022 its reverse (220122202221), we get a palindrome (342324423243).

The spelling of 122202221022 in words is "one hundred twenty-two billion, two hundred two million, two hundred twenty-one thousand, twenty-two".