122223202322221 has 48 divisors (see below), whose sum is σ = 165354326553472. Its totient is φ = 87908945984640.

The previous prime is 122223202322189. The next prime is 122223202322233.

122223202322221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 122223202322221 - 2⁵ = 122223202322189 is a prime.

It is a super-2 number, since 2×122223202322221² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122223202322221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122223202322281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 264506635 + ... + 264968311.

Almost surely, 2^{122223202322221} is an apocalyptic number.

122223202322221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122223202322221 is a deficient number, since it is larger than the sum of its proper divisors (43131124231251).

122223202322221 is a wasteful number, since it uses less digits than its factorization.

122223202322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485762 (or 485751 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

It can be divided in two parts, 12222320 and 2322221, that added together give a palindrome (14544541).

The spelling of 122223202322221 in words is "one hundred twenty-two trillion, two hundred twenty-three billion, two hundred two million, three hundred twenty-two thousand, two hundred twenty-one".