422647473 has 8 divisors (see below), whose sum is σ = 576635488. Its totient is φ = 275212224.

The previous prime is 422647369. The next prime is 422647481. The reversal of 422647473 is 374746224.

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

It is not a de Polignac number, because 422647473 - 2¹⁴ = 422631089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422647873) 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, 1638040 + ... + 1638297.

It is an arithmetic number, because the mean of its divisors is an integer number (72079436).

Almost surely, 2^422647473 is an apocalyptic number.

422647473 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

422647473 is a deficient number, since it is larger than the sum of its proper divisors (153988015).

422647473 is a wasteful number, since it uses less digits than its factorization.

422647473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276383.

The product of its digits is 225792, while the sum is 39.

The square root of 422647473 is about 20558.3917902155. The cubic root of 422647473 is about 750.4574826672.

The spelling of 422647473 in words is "four hundred twenty-two million, six hundred forty-seven thousand, four hundred seventy-three".