221210000422 has 8 divisors (see below), whose sum is σ = 351333530136. Its totient is φ = 104098823712.

The previous prime is 221210000393. The next prime is 221210000449. The reversal of 221210000422 is 224000012122.

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 = 221210000396 and 221210000405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3253088208 + ... + 3253088275.

It is an arithmetic number, because the mean of its divisors is an integer number (43916691267).

Almost surely, 2^221210000422 is an apocalyptic number.

221210000422 is a deficient number, since it is larger than the sum of its proper divisors (130123529714).

221210000422 is a wasteful number, since it uses less digits than its factorization.

221210000422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6506176502.

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

Adding to 221210000422 its reverse (224000012122), we get a palindrome (445210012544).

The spelling of 221210000422 in words is "two hundred twenty-one billion, two hundred ten million, four hundred twenty-two", and thus it is an aban number.