122223322221 has 128 divisors (see below), whose sum is σ = 226601152512. Its totient is φ = 57018297600.

The previous prime is 122223322217. The next prime is 122223322237.

122223322221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 122223322221 - 2² = 122223322217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122223322191 and 122223322200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122223322271) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13439886 + ... + 13448976.

It is an arithmetic number, because the mean of its divisors is an integer number (1770321504).

Almost surely, 2^122223322221 is an apocalyptic number.

122223322221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122223322221 is a deficient number, since it is larger than the sum of its proper divisors (104377830291).

122223322221 is a wasteful number, since it uses less digits than its factorization.

122223322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9184 (or 9162 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

It can be divided in two parts, 122223 and 322221, that added together give a palindrome (444444).

The spelling of 122223322221 in words is "one hundred twenty-two billion, two hundred twenty-three million, three hundred twenty-two thousand, two hundred twenty-one".