422672 has 10 divisors (see below), whose sum is σ = 818958. Its totient is φ = 211328.

The previous prime is 422657. The next prime is 422689. The reversal of 422672 is 276224.

Added to its reverse (276224) it gives a square (698896 = 836²).

It can be written as a sum of positive squares in only one way, i.e., 295936 + 126736 = 544^2 + 356^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 422672.

It is an unprimeable number.

422672 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, 13193 + ... + 13224.

2⁴²²⁶⁷² is an apocalyptic number.

It is an amenable number.

422672 is a deficient number, since it is larger than the sum of its proper divisors (396286).

422672 is a wasteful number, since it uses less digits than its factorization.

422672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26425 (or 26419 counting only the distinct ones).

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

The square root of 422672 is about 650.1322942294. The cubic root of 422672 is about 75.0471999190.

Adding to 422672 its reverse (276224), we get a palindrome (698896).

The spelling of 422672 in words is "four hundred twenty-two thousand, six hundred seventy-two".