22100230100 has 72 divisors (see below), whose sum is σ = 53427543960. Its totient is φ = 7878689280.

The previous prime is 22100230093. The next prime is 22100230111. The reversal of 22100230100 is 103200122.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 10980105796 + 11120124304 = 104786^2 + 105452^2 .

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 255407 + ... + 330806.

Almost surely, 2^22100230100 is an apocalyptic number.

22100230100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100230100 is an abundant number, since it is smaller than the sum of its proper divisors (31327313860).

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

22100230100 is a wasteful number, since it uses less digits than its factorization.

22100230100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586269 (or 586262 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 22100230100 its reverse (103200122), we get a palindrome (22203430222).

The spelling of 22100230100 in words is "twenty-two billion, one hundred million, two hundred thirty thousand, one hundred".