22144034022 has 64 divisors (see below), whose sum is σ = 49953888000. Its totient is φ = 6485028480.

The previous prime is 22144034009. The next prime is 22144034083. The reversal of 22144034022 is 22043044122.

It is a junction number, because it is equal to n+sod(n) for n = 22144033983 and 22144034001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 333429 + ... + 394287.

It is an arithmetic number, because the mean of its divisors is an integer number (780529500).

Almost surely, 2^22144034022 is an apocalyptic number.

22144034022 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 22144034022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24976944000).

22144034022 is an abundant number, since it is smaller than the sum of its proper divisors (27809853978).

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

22144034022 is a wasteful number, since it uses less digits than its factorization.

22144034022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61061.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22144034022 its reverse (22043044122), we get a palindrome (44187078144).

The spelling of 22144034022 in words is "twenty-two billion, one hundred forty-four million, thirty-four thousand, twenty-two".