22244321022 has 128 divisors (see below), whose sum is σ = 59628994560. Its totient is φ = 5357093760.

The previous prime is 22244320913. The next prime is 22244321051. The reversal of 22244321022 is 22012344222.

It is a super-2 number, since 2×22244321022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22244320983 and 22244321001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 385608 + ... + 439524.

It is an arithmetic number, because the mean of its divisors is an integer number (465851520).

Almost surely, 2^22244321022 is an apocalyptic number.

22244321022 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 22244321022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29814497280).

22244321022 is an abundant number, since it is smaller than the sum of its proper divisors (37384673538).

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

22244321022 is a wasteful number, since it uses less digits than its factorization.

22244321022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54006.

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

Adding to 22244321022 its reverse (22012344222), we get a palindrome (44256665244).

The spelling of 22244321022 in words is "twenty-two billion, two hundred forty-four million, three hundred twenty-one thousand, twenty-two".