22122112300 has 36 divisors (see below), whose sum is σ = 50531566120. Its totient is φ = 8383115520.

The previous prime is 22122112289. The next prime is 22122112307. The reversal of 22122112300 is 321122122.

It is a happy number.

It is a super-2 number, since 2×22122112300² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22122112307) 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, 5819709 + ... + 5823508.

Almost surely, 2^22122112300 is an apocalyptic number.

22122112300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122112300 is an abundant number, since it is smaller than the sum of its proper divisors (28409453820).

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

22122112300 is a wasteful number, since it uses less digits than its factorization.

22122112300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11643250 (or 11643243 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22122112300 its reverse (321122122), we get a palindrome (22443234422).

The spelling of 22122112300 in words is "twenty-two billion, one hundred twenty-two million, one hundred twelve thousand, three hundred".