422017107621 has 8 divisors (see below), whose sum is σ = 564065247360. Its totient is φ = 280656853152.

The previous prime is 422017107619. The next prime is 422017107649. The reversal of 422017107621 is 126701710224.

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

It is not a de Polignac number, because 422017107621 - 2¹ = 422017107619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422017107671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171969885 + ... + 171972338.

It is an arithmetic number, because the mean of its divisors is an integer number (70508155920).

Almost surely, 2^422017107621 is an apocalyptic number.

It is an amenable number.

422017107621 is a deficient number, since it is larger than the sum of its proper divisors (142048139739).

422017107621 is a wasteful number, since it uses less digits than its factorization.

422017107621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343942635.

The product of its (nonzero) digits is 9408, while the sum is 33.

Adding to 422017107621 its reverse (126701710224), we get a palindrome (548718817845).

The spelling of 422017107621 in words is "four hundred twenty-two billion, seventeen million, one hundred seven thousand, six hundred twenty-one".