22302221221100 has 36 divisors (see below), whose sum is σ = 50942968477800. Its totient is φ = 8451368040960.

The previous prime is 22302221221067. The next prime is 22302221221123. The reversal of 22302221221100 is 112212220322.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5869003685 + ... + 5869007484.

Almost surely, 2^{22302221221100} is an apocalyptic number.

22302221221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22302221221100 is an abundant number, since it is smaller than the sum of its proper divisors (28640747256700).

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

22302221221100 is a wasteful number, since it uses less digits than its factorization.

22302221221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11738011202 (or 11738011195 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22302221221100 its reverse (112212220322), we get a palindrome (22414433441422).

The spelling of 22302221221100 in words is "twenty-two trillion, three hundred two billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred".