422612 has 6 divisors (see below), whose sum is σ = 739578. Its totient is φ = 211304.

The previous prime is 422581. The next prime is 422621. The reversal of 422612 is 216224.

422612 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 234256 + 188356 = 484^2 + 434^2 .

It is an Ulam number.

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 422612.

It is an unprimeable number.

422612 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, 52823 + ... + 52830.

It is an arithmetic number, because the mean of its divisors is an integer number (123263).

2⁴²²⁶¹² is an apocalyptic number.

It is an amenable number.

422612 is a deficient number, since it is larger than the sum of its proper divisors (316966).

422612 is a wasteful number, since it uses less digits than its factorization.

422612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105657 (or 105655 counting only the distinct ones).

The product of its digits is 192, while the sum is 17.

The square root of 422612 is about 650.0861481373. The cubic root of 422612 is about 75.0436486664.

Adding to 422612 its reverse (216224), we get a palindrome (638836).

The spelling of 422612 in words is "four hundred twenty-two thousand, six hundred twelve".