122232223220 has 24 divisors (see below), whose sum is σ = 258262446624. Its totient is φ = 48592931616.

The previous prime is 122232223199. The next prime is 122232223231. The reversal of 122232223220 is 22322232221.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18744014 + ... + 18750533.

It is an arithmetic number, because the mean of its divisors is an integer number (10760935276).

Almost surely, 2^122232223220 is an apocalyptic number.

122232223220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122232223220 is an abundant number, since it is smaller than the sum of its proper divisors (136030223404).

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

122232223220 is a wasteful number, since it uses less digits than its factorization.

122232223220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37494719 (or 37494717 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 122232223220 its reverse (22322232221), we get a palindrome (144554455441).

Subtracting from 122232223220 its reverse (22322232221), we obtain a palindrome (99909990999).

The spelling of 122232223220 in words is "one hundred twenty-two billion, two hundred thirty-two million, two hundred twenty-three thousand, two hundred twenty".