22227190100 has 18 divisors (see below), whose sum is σ = 48233002734. Its totient is φ = 8890876000.

The previous prime is 22227190057. The next prime is 22227190121. The reversal of 22227190100 is 109172222.

It can be written as a sum of positive squares in 3 ways, for example, as 1676247364 + 20550942736 = 40942^2 + 143356^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22227190100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111135851 + ... + 111136050.

It is an arithmetic number, because the mean of its divisors is an integer number (2679611263).

Almost surely, 2^22227190100 is an apocalyptic number.

22227190100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22227190100 is an abundant number, since it is smaller than the sum of its proper divisors (26005812634).

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

22227190100 is a wasteful number, since it uses less digits than its factorization.

22227190100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222271915 (or 222271908 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The spelling of 22227190100 in words is "twenty-two billion, two hundred twenty-seven million, one hundred ninety thousand, one hundred".