422315421 has 8 divisors (see below), whose sum is σ = 614277024. Its totient is φ = 255948720.

The previous prime is 422315419. The next prime is 422315423. The reversal of 422315421 is 124513224.

It is an interprime number because it is at equal distance from previous prime (422315419) and next prime (422315423).

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

It is not a de Polignac number, because 422315421 - 2¹ = 422315419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422315391 and 422315400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422315423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6398686 + ... + 6398751.

It is an arithmetic number, because the mean of its divisors is an integer number (76784628).

Almost surely, 2^422315421 is an apocalyptic number.

It is an amenable number.

422315421 is a deficient number, since it is larger than the sum of its proper divisors (191961603).

422315421 is a wasteful number, since it uses less digits than its factorization.

422315421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12797451.

The product of its digits is 1920, while the sum is 24.

The square root of 422315421 is about 20550.3143771573. The cubic root of 422315421 is about 750.2608994537.

Adding to 422315421 its reverse (124513224), we get a palindrome (546828645).

The spelling of 422315421 in words is "four hundred twenty-two million, three hundred fifteen thousand, four hundred twenty-one".