222200110100 has 36 divisors (see below), whose sum is σ = 484961411004. Its totient is φ = 88366279680.

The previous prime is 222200110043. The next prime is 222200110147. The reversal of 222200110100 is 1011002222.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 30247470724 + 191952639376 = 173918^2 + 438124^2 .

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 11 ways as a sum of consecutive naturals, for example, 6404669 + ... + 6439268.

Almost surely, 2^222200110100 is an apocalyptic number.

222200110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222200110100 is an abundant number, since it is smaller than the sum of its proper divisors (262761300904).

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

222200110100 is a wasteful number, since it uses less digits than its factorization.

222200110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12844124 (or 12844117 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 222200110100 its reverse (1011002222), we get a palindrome (223211112322).

The spelling of 222200110100 in words is "two hundred twenty-two billion, two hundred million, one hundred ten thousand, one hundred".