22122302100 has 72 divisors (see below), whose sum is σ = 64594511520. Its totient is φ = 5845150080.

The previous prime is 22122302089. The next prime is 22122302117. The reversal of 22122302100 is 120322122.

It is a happy number.

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 22122302100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305562 + ... + 370961.

Almost surely, 2^22122302100 is an apocalyptic number.

22122302100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122302100 is an abundant number, since it is smaller than the sum of its proper divisors (42472209420).

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

22122302100 is a wasteful number, since it uses less digits than its factorization.

22122302100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676649 (or 676642 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22122302100 its reverse (120322122), we get a palindrome (22242624222).

The spelling of 22122302100 in words is "twenty-two billion, one hundred twenty-two million, three hundred two thousand, one hundred".