222546666100 has 144 divisors (see below), whose sum is σ = 537906821760. Its totient is φ = 79230860800.

The previous prime is 222546666079. The next prime is 222546666127. The reversal of 222546666100 is 1666645222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29321106 + ... + 29328694.

It is an arithmetic number, because the mean of its divisors is an integer number (3735464040).

Almost surely, 2^222546666100 is an apocalyptic number.

222546666100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222546666100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268953410880).

222546666100 is an abundant number, since it is smaller than the sum of its proper divisors (315360155660).

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

222546666100 is a wasteful number, since it uses less digits than its factorization.

222546666100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8170 (or 8163 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 222546666100 in words is "two hundred twenty-two billion, five hundred forty-six million, six hundred sixty-six thousand, one hundred".