22100063400 has 144 divisors (see below), whose sum is σ = 74383168860. Its totient is φ = 5880345600.

The previous prime is 22100063341. The next prime is 22100063413. The reversal of 22100063400 is 436000122.

It is a happy number.

22100063400 is a `hidden beast` number, since 22 + 10 + 0 + 0 + 634 + 0 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 13461104484 + 8638958916 = 116022^2 + 92946^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 816484 + ... + 843116.

Almost surely, 2^22100063400 is an apocalyptic number.

22100063400 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 22100063400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37191584430).

22100063400 is an abundant number, since it is smaller than the sum of its proper divisors (52283105460).

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

22100063400 is a wasteful number, since it uses less digits than its factorization.

22100063400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27116 (or 27104 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22100063400 its reverse (436000122), we get a palindrome (22536063522).

The spelling of 22100063400 in words is "twenty-two billion, one hundred million, sixty-three thousand, four hundred".