422947 has 16 divisors (see below), whose sum is σ = 525312. Its totient is φ = 332640.

The previous prime is 422927. The next prime is 422969. The reversal of 422947 is 749224.

422947 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 422947 - 2¹¹ = 420899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5922 + ... + 5992.

It is an arithmetic number, because the mean of its divisors is an integer number (32832).

2⁴²²⁹⁴⁷ is an apocalyptic number.

422947 is a deficient number, since it is larger than the sum of its proper divisors (102365).

422947 is a wasteful number, since it uses less digits than its factorization.

422947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138.

The product of its digits is 4032, while the sum is 28.

The square root of 422947 is about 650.3437552556. The cubic root of 422947 is about 75.0634721945.

It can be divided in two parts, 422 and 947, that added together give a square (1369 = 37²).

The spelling of 422947 in words is "four hundred twenty-two thousand, nine hundred forty-seven".