22420022002422 has 128 divisors (see below), whose sum is σ = 51824201753088. Its totient is φ = 6404912870400.

The previous prime is 22420022002421. The next prime is 22420022002447.

22420022002422 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22420022002392 and 22420022002401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22420022002421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8857258 + ... + 11103650.

It is an arithmetic number, because the mean of its divisors is an integer number (404876576196).

Almost surely, 2^{22420022002422} is an apocalyptic number.

22420022002422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22420022002422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25912100876544).

22420022002422 is an abundant number, since it is smaller than the sum of its proper divisors (29404179750666).

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

22420022002422 is a wasteful number, since it uses less digits than its factorization.

22420022002422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246574.

The product of its (nonzero) digits is 4096, while the sum is 24.

It can be divided in two parts, 2242002 and 2002422, that added together give a palindrome (4244424).

The spelling of 22420022002422 in words is "twenty-two trillion, four hundred twenty billion, twenty-two million, two thousand, four hundred twenty-two".