22212034100 has 18 divisors (see below), whose sum is σ = 48200114214. Its totient is φ = 8884813600.

The previous prime is 22212034093. The next prime is 22212034109. The reversal of 22212034100 is 143021222.

It can be written as a sum of positive squares in 3 ways, for example, as 995781136 + 21216252964 = 31556^2 + 145658^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212034109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111060071 + ... + 111060270.

It is an arithmetic number, because the mean of its divisors is an integer number (2677784123).

Almost surely, 2^22212034100 is an apocalyptic number.

22212034100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212034100 is an abundant number, since it is smaller than the sum of its proper divisors (25988080114).

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

22212034100 is a wasteful number, since it uses less digits than its factorization.

22212034100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222120355 (or 222120348 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22212034100 its reverse (143021222), we get a palindrome (22355055322).

The spelling of 22212034100 in words is "twenty-two billion, two hundred twelve million, thirty-four thousand, one hundred".