672422 has 4 divisors (see below), whose sum is σ = 1008636. Its totient is φ = 336210.

The previous prime is 672379. The next prime is 672439. The reversal of 672422 is 224276.

672422 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 672422.

It is an unprimeable number.

672422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168104 + ... + 168107.

It is an arithmetic number, because the mean of its divisors is an integer number (252159).

2⁶⁷²⁴²² is an apocalyptic number.

672422 is a deficient number, since it is larger than the sum of its proper divisors (336214).

672422 is a wasteful number, since it uses less digits than its factorization.

672422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336213.

The product of its digits is 1344, while the sum is 23.

The square root of 672422 is about 820.0134145244. The cubic root of 672422 is about 87.6087138528.

Adding to 672422 its reverse (224276), we get a palindrome (896698).

The spelling of 672422 in words is "six hundred seventy-two thousand, four hundred twenty-two".