210221044422 has 8 divisors (see below), whose sum is σ = 420442088856. Its totient is φ = 70073681472.

The previous prime is 210221044387. The next prime is 210221044433. The reversal of 210221044422 is 224440122012.

It is a happy number.

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

210221044422 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 210221044392 and 210221044401.

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, 17518420363 + ... + 17518420374.

It is an arithmetic number, because the mean of its divisors is an integer number (52555261107).

Almost surely, 2^210221044422 is an apocalyptic number.

210221044422 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.

210221044422 is a wasteful number, since it uses less digits than its factorization.

210221044422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35036840742.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 210221044422 its reverse (224440122012), we get a palindrome (434661166434).

The spelling of 210221044422 in words is "two hundred ten billion, two hundred twenty-one million, forty-four thousand, four hundred twenty-two".