22220330100 has 36 divisors (see below), whose sum is σ = 64290822624. Its totient is φ = 5925421280.

The previous prime is 22220330087. The next prime is 22220330101. The reversal of 22220330100 is 103302222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22220330100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220330101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37033584 + ... + 37034183.

It is an arithmetic number, because the mean of its divisors is an integer number (1785856184).

Almost surely, 2^22220330100 is an apocalyptic number.

22220330100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220330100 is an abundant number, since it is smaller than the sum of its proper divisors (42070492524).

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

22220330100 is a wasteful number, since it uses less digits than its factorization.

22220330100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74067784 (or 74067777 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 22220330100 its reverse (103302222), we get a palindrome (22323632322).

The spelling of 22220330100 in words is "twenty-two billion, two hundred twenty million, three hundred thirty thousand, one hundred".