202221001212222 has 8 divisors (see below), whose sum is σ = 404442002424456. Its totient is φ = 67407000404072.

The previous prime is 202221001212173. The next prime is 202221001212233. The reversal of 202221001212222 is 222212100122202.

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

202221001212222 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16851750101013 + ... + 16851750101024.

It is an arithmetic number, because the mean of its divisors is an integer number (50555250303057).

Almost surely, 2^{202221001212222} is an apocalyptic number.

202221001212222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

202221001212222 is a wasteful number, since it uses less digits than its factorization.

202221001212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33703500202042.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 202221001212222 its reverse (222212100122202), we get a palindrome (424433101334424).

The spelling of 202221001212222 in words is "two hundred two trillion, two hundred twenty-one billion, one million, two hundred twelve thousand, two hundred twenty-two".