222001221202 has 8 divisors (see below), whose sum is σ = 338460878412. Its totient is φ = 109180928400.

The previous prime is 222001221121. The next prime is 222001221203. The reversal of 222001221202 is 202122100222.

222001221202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 147040804681 + 74960416521 = 383459^2 + 273789^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (222001221203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909840949 + ... + 909841192.

Almost surely, 2^222001221202 is an apocalyptic number.

222001221202 is a deficient number, since it is larger than the sum of its proper divisors (116459657210).

222001221202 is a wasteful number, since it uses less digits than its factorization.

222001221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819682204.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222001221202 its reverse (202122100222), we get a palindrome (424123321424).

The spelling of 222001221202 in words is "two hundred twenty-two billion, one million, two hundred twenty-one thousand, two hundred two".