122221202022 has 16 divisors (see below), whose sum is σ = 271602671280. Its totient is φ = 40740400656.

The previous prime is 122221201967. The next prime is 122221202027. The reversal of 122221202022 is 220202122221.

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 = 122221201986 and 122221202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221202027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1131677743 + ... + 1131677850.

It is an arithmetic number, because the mean of its divisors is an integer number (16975166955).

Almost surely, 2^122221202022 is an apocalyptic number.

122221202022 is an abundant number, since it is smaller than the sum of its proper divisors (149381469258).

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

122221202022 is a wasteful number, since it uses less digits than its factorization.

122221202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263355604 (or 2263355598 counting only the distinct ones).

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

Adding to 122221202022 its reverse (220202122221), we get a palindrome (342423324243).

The spelling of 122221202022 in words is "one hundred twenty-two billion, two hundred twenty-one million, two hundred two thousand, twenty-two".