422266 has 16 divisors (see below), whose sum is σ = 693000. Its totient is φ = 191808.

The previous prime is 422249. The next prime is 422267. The reversal of 422266 is 662224.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 245025 + 177241 = 495^2 + 421^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422267) by changing a digit.

422266 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2760 + ... + 2908.

2⁴²²²⁶⁶ is an apocalyptic number.

422266 is a deficient number, since it is larger than the sum of its proper divisors (270734).

422266 is a wasteful number, since it uses less digits than its factorization.

422266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273.

The product of its digits is 1152, while the sum is 22.

The square root of 422266 is about 649.8199750700. The cubic root of 422266 is about 75.0231632158.

The spelling of 422266 in words is "four hundred twenty-two thousand, two hundred sixty-six".