422072 has 16 divisors (see below), whose sum is σ = 904560. Its totient is φ = 180864.

The previous prime is 422069. The next prime is 422077. The reversal of 422072 is 270224.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 422072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3713 + ... + 3824.

It is an arithmetic number, because the mean of its divisors is an integer number (56535).

2⁴²²⁰⁷² is an apocalyptic number.

It is an amenable number.

422072 is an abundant number, since it is smaller than the sum of its proper divisors (482488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422072 is a wasteful number, since it uses less digits than its factorization.

422072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7550 (or 7546 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 422072 is about 649.6706858094. The cubic root of 422072 is about 75.0116722574.

Adding to 422072 its reverse (270224), we get a palindrome (692296).

It can be divided in two parts, 4 and 22072, that multiplied together give a palindrome (88288).

The spelling of 422072 in words is "four hundred twenty-two thousand, seventy-two", and thus it is an iban number.