422708421 has 8 divisors (see below), whose sum is σ = 588116160. Its totient is φ = 269553152.

The previous prime is 422708413. The next prime is 422708423. The reversal of 422708421 is 124807224.

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 422708421 - 2³ = 422708413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422708423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3063036 + ... + 3063173.

It is an arithmetic number, because the mean of its divisors is an integer number (73514520).

Almost surely, 2^422708421 is an apocalyptic number.

It is an amenable number.

422708421 is a deficient number, since it is larger than the sum of its proper divisors (165407739).

422708421 is a wasteful number, since it uses less digits than its factorization.

422708421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6126235.

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 422708421 is about 20559.8740511706. The cubic root of 422708421 is about 750.4935542455.

The spelling of 422708421 in words is "four hundred twenty-two million, seven hundred eight thousand, four hundred twenty-one".