22330220022 has 128 divisors (see below), whose sum is σ = 57835468800. Its totient is φ = 6314695200.

The previous prime is 22330219999. The next prime is 22330220047. The reversal of 22330220022 is 22002203322.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22330219977 and 22330220004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 741397 + ... + 770927.

It is an arithmetic number, because the mean of its divisors is an integer number (451839600).

Almost surely, 2^22330220022 is an apocalyptic number.

22330220022 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 22330220022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28917734400).

22330220022 is an abundant number, since it is smaller than the sum of its proper divisors (35505248778).

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

22330220022 is a wasteful number, since it uses less digits than its factorization.

22330220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29639 (or 29633 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 22330220022 its reverse (22002203322), we get a palindrome (44332423344).

The spelling of 22330220022 in words is "twenty-two billion, three hundred thirty million, two hundred twenty thousand, twenty-two".