202221421222 has 8 divisors (see below), whose sum is σ = 303342458400. Its totient is φ = 101107268424.

The previous prime is 202221421217. The next prime is 202221421301. The reversal of 202221421222 is 222124122202.

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

It is a junction number, because it is equal to n+sod(n) for n = 202221421193 and 202221421202.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1647022 + ... + 1765537.

It is an arithmetic number, because the mean of its divisors is an integer number (37917807300).

Almost surely, 2^202221421222 is an apocalyptic number.

202221421222 is a deficient number, since it is larger than the sum of its proper divisors (101121037178).

202221421222 is a wasteful number, since it uses less digits than its factorization.

202221421222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3442190.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 202221421222 its reverse (222124122202), we get a palindrome (424345543424).

The spelling of 202221421222 in words is "two hundred two billion, two hundred twenty-one million, four hundred twenty-one thousand, two hundred twenty-two".