622221122226 has 32 divisors (see below), whose sum is σ = 1379828667456. Its totient is φ = 185460840000.

The previous prime is 622221122191. The next prime is 622221122227.

622221122226 is nontrivially palindromic in base 10.

622221122226 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 622221122193 and 622221122202.

It is not an unprimeable number, because it can be changed into a prime (622221122227) 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, 77271325 + ... + 77279376.

It is an arithmetic number, because the mean of its divisors is an integer number (43119645858).

Almost surely, 2^622221122226 is an apocalyptic number.

622221122226 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

622221122226 is an abundant number, since it is smaller than the sum of its proper divisors (757607545230).

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

622221122226 is a wasteful number, since it uses less digits than its factorization.

622221122226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154550778.

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

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

The spelling of 622221122226 in words is "six hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty-six".