22360421100 has 72 divisors (see below), whose sum is σ = 64843905280. Its totient is φ = 5949161280.

The previous prime is 22360421081. The next prime is 22360421107. The reversal of 22360421100 is 112406322.

It is not an unprimeable number, because it can be changed into a prime (22360421107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46809 + ... + 216591.

Almost surely, 2^22360421100 is an apocalyptic number.

22360421100 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 22360421100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32421952640).

22360421100 is an abundant number, since it is smaller than the sum of its proper divisors (42483484180).

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

22360421100 is a wasteful number, since it uses less digits than its factorization.

22360421100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170239 (or 170232 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22360421100 its reverse (112406322), we get a palindrome (22472827422).

The spelling of 22360421100 in words is "twenty-two billion, three hundred sixty million, four hundred twenty-one thousand, one hundred".