222201002000 has 40 divisors (see below), whose sum is σ = 537282027672. Its totient is φ = 88880400000.

The previous prime is 222201001999. The next prime is 222201002017. The reversal of 222201002000 is 200102222.

It can be written as a sum of positive squares in 4 ways, for example, as 11395135504 + 210805866496 = 106748^2 + 459136^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 55548251 + ... + 55552250.

Almost surely, 2^222201002000 is an apocalyptic number.

222201002000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222201002000 is an abundant number, since it is smaller than the sum of its proper divisors (315081025672).

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

222201002000 is a wasteful number, since it uses less digits than its factorization.

222201002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111100524 (or 111100508 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 222201002000 its reverse (200102222), we get a palindrome (222401104222).

The spelling of 222201002000 in words is "two hundred twenty-two billion, two hundred one million, two thousand".