22023222100 has 108 divisors (see below), whose sum is σ = 52869080572. Its totient is φ = 7956748800.

The previous prime is 22023222073. The next prime is 22023222113. The reversal of 22023222100 is 122232022.

It can be written as a sum of positive squares in 6 ways, for example, as 23213124 + 22000008976 = 4818^2 + 148324^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1893904 + ... + 1905496.

Almost surely, 2^22023222100 is an apocalyptic number.

22023222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22023222100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26434540286).

22023222100 is an abundant number, since it is smaller than the sum of its proper divisors (30845858472).

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

22023222100 is a wasteful number, since it uses less digits than its factorization.

22023222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11786 (or 11768 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22023222100 its reverse (122232022), we get a palindrome (22145454122).

The spelling of 22023222100 in words is "twenty-two billion, twenty-three million, two hundred twenty-two thousand, one hundred".