422110421 has 8 divisors (see below), whose sum is σ = 442183104. Its totient is φ = 402181120.

The previous prime is 422110417. The next prime is 422110439. The reversal of 422110421 is 124011224.

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

It is a cyclic number.

It is not a de Polignac number, because 422110421 - 2² = 422110417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 422110421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422110471) 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, 29795 + ... + 41616.

It is an arithmetic number, because the mean of its divisors is an integer number (55272888).

Almost surely, 2^422110421 is an apocalyptic number.

It is an amenable number.

422110421 is a deficient number, since it is larger than the sum of its proper divisors (20072683).

422110421 is a wasteful number, since it uses less digits than its factorization.

422110421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71691.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 422110421 is about 20545.3260134757. The cubic root of 422110421 is about 750.1394827985.

Adding to 422110421 its reverse (124011224), we get a palindrome (546121645).

The spelling of 422110421 in words is "four hundred twenty-two million, one hundred ten thousand, four hundred twenty-one".