422314421 has 4 divisors (see below), whose sum is σ = 422671392. Its totient is φ = 421957452.

The previous prime is 422314397. The next prime is 422314423. The reversal of 422314421 is 124413224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422314421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422314423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176705 + ... + 179078.

It is an arithmetic number, because the mean of its divisors is an integer number (105667848).

Almost surely, 2^422314421 is an apocalyptic number.

It is an amenable number.

422314421 is a deficient number, since it is larger than the sum of its proper divisors (356971).

422314421 is a wasteful number, since it uses less digits than its factorization.

422314421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356970.

The product of its digits is 1536, while the sum is 23.

The square root of 422314421 is about 20550.2900466149. The cubic root of 422314421 is about 750.2603072727.

Adding to 422314421 its reverse (124413224), we get a palindrome (546727645).

The spelling of 422314421 in words is "four hundred twenty-two million, three hundred fourteen thousand, four hundred twenty-one".