222201233300 has 72 divisors (see below), whose sum is σ = 491571646776. Its totient is φ = 87150735360.

The previous prime is 222201233299. The next prime is 222201233329. The reversal of 222201233300 is 3332102222.

It can be written as a sum of positive squares in 12 ways, for example, as 84889484164 + 137311749136 = 291358^2 + 370556^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9406304 + ... + 9429896.

It is an arithmetic number, because the mean of its divisors is an integer number (6827383983).

Almost surely, 2^222201233300 is an apocalyptic number.

222201233300 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 222201233300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245785823388).

222201233300 is an abundant number, since it is smaller than the sum of its proper divisors (269370413476).

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

222201233300 is a wasteful number, since it uses less digits than its factorization.

222201233300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25437 (or 25430 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 222201233300 its reverse (3332102222), we get a palindrome (225533335522).

The spelling of 222201233300 in words is "two hundred twenty-two billion, two hundred one million, two hundred thirty-three thousand, three hundred".