422406420 has 48 divisors (see below), whose sum is σ = 1186593408. Its totient is φ = 112274560.

The previous prime is 422406419. The next prime is 422406421. The reversal of 422406420 is 24604224.

It is an interprime number because it is at equal distance from previous prime (422406419) and next prime (422406421).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422406421) 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 15 ways as a sum of consecutive naturals, for example, 7342 + ... + 29978.

It is an arithmetic number, because the mean of its divisors is an integer number (24720696).

Almost surely, 2^422406420 is an apocalyptic number.

It is an amenable number.

422406420 is an abundant number, since it is smaller than the sum of its proper divisors (764186988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422406420 is a wasteful number, since it uses less digits than its factorization.

422406420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22960 (or 22958 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 422406420 is about 20552.5283116214. The cubic root of 422406420 is about 750.3147834189.

The spelling of 422406420 in words is "four hundred twenty-two million, four hundred six thousand, four hundred twenty".