456422 has 4 divisors (see below), whose sum is σ = 684636. Its totient is φ = 228210.

The previous prime is 456409. The next prime is 456427. The reversal of 456422 is 224654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224654 = 2 ⋅112327.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456427) by changing a digit.

456422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 114104 + ... + 114107.

It is an arithmetic number, because the mean of its divisors is an integer number (171159).

2⁴⁵⁶⁴²² is an apocalyptic number.

456422 is a deficient number, since it is larger than the sum of its proper divisors (228214).

456422 is a wasteful number, since it uses less digits than its factorization.

456422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228213.

The product of its digits is 1920, while the sum is 23.

The square root of 456422 is about 675.5901124202. The cubic root of 456422 is about 76.9937589814.

It can be divided in two parts, 456 and 422, that added together give a palindrome (878).

The spelling of 456422 in words is "four hundred fifty-six thousand, four hundred twenty-two".