122223333220 has 12 divisors (see below), whose sum is σ = 256668999804. Its totient is φ = 48889333280.

The previous prime is 122223333217. The next prime is 122223333227. The reversal of 122223333220 is 22333322221.

It can be written as a sum of positive squares in 2 ways, for example, as 64833381376 + 57389951844 = 254624^2 + 239562^2 .

It is not an unprimeable number, because it can be changed into a prime (122223333227) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3055583311 + ... + 3055583350.

It is an arithmetic number, because the mean of its divisors is an integer number (21389083317).

Almost surely, 2^122223333220 is an apocalyptic number.

122223333220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122223333220 is an abundant number, since it is smaller than the sum of its proper divisors (134445666584).

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

122223333220 is a wasteful number, since it uses less digits than its factorization.

122223333220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111166670 (or 6111166668 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 122223333220 its reverse (22333322221), we get a palindrome (144556655441).

The spelling of 122223333220 in words is "one hundred twenty-two billion, two hundred twenty-three million, three hundred thirty-three thousand, two hundred twenty".