122226622221 has 16 divisors (see below), whose sum is σ = 177843133440. Its totient is φ = 74052175920.

The previous prime is 122226622213. The next prime is 122226622237.

122226622221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 122226622221 - 2³ = 122226622213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122226622211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512851 + ... + 712368.

It is an arithmetic number, because the mean of its divisors is an integer number (11115195840).

Almost surely, 2^122226622221 is an apocalyptic number.

122226622221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122226622221 is a deficient number, since it is larger than the sum of its proper divisors (55616511219).

122226622221 is a wasteful number, since it uses less digits than its factorization.

122226622221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228256.

The product of its digits is 9216, while the sum is 30.

It can be divided in two parts, 122226 and 622221, that added together give a palindrome (744447).

The spelling of 122226622221 in words is "one hundred twenty-two billion, two hundred twenty-six million, six hundred twenty-two thousand, two hundred twenty-one".