22404212100 has 108 divisors (see below), whose sum is σ = 70558174960. Its totient is φ = 5946091200.

The previous prime is 22404212063. The next prime is 22404212111. The reversal of 22404212100 is 121240422.

22404212100 is a `hidden beast` number, since 2 + 240 + 421 + 2 + 1 + 0 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 130911 + ... + 248889.

Almost surely, 2^22404212100 is an apocalyptic number.

22404212100 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 22404212100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35279087480).

22404212100 is an abundant number, since it is smaller than the sum of its proper divisors (48153962860).

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

22404212100 is a wasteful number, since it uses less digits than its factorization.

22404212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118210 (or 118200 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22404212100 its reverse (121240422), we get a palindrome (22525452522).

The spelling of 22404212100 in words is "twenty-two billion, four hundred four million, two hundred twelve thousand, one hundred".