222444030100 has 36 divisors (see below), whose sum is σ = 483491123164. Its totient is φ = 88832436480.

The previous prime is 222444030073. The next prime is 222444030101. The reversal of 222444030100 is 1030444222.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 24806880004 + 197637150096 = 157502^2 + 444564^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222444030101) by changing a digit.

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, 1753089 + ... + 1875688.

Almost surely, 2^222444030100 is an apocalyptic number.

222444030100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222444030100 is an abundant number, since it is smaller than the sum of its proper divisors (261047093064).

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

222444030100 is a wasteful number, since it uses less digits than its factorization.

222444030100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3629404 (or 3629397 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 222444030100 its reverse (1030444222), we get a palindrome (223474474322).

The spelling of 222444030100 in words is "two hundred twenty-two billion, four hundred forty-four million, thirty thousand, one hundred".