422122 has 4 divisors (see below), whose sum is σ = 633186. Its totient is φ = 211060.

The previous prime is 422113. The next prime is 422129. The reversal of 422122 is 221224.

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

It can be written as a sum of positive squares in only one way, i.e., 385641 + 36481 = 621^2 + 191^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (422129) by changing a digit.

422122 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, 105529 + ... + 105532.

2⁴²²¹²² is an apocalyptic number.

422122 is a deficient number, since it is larger than the sum of its proper divisors (211064).

422122 is a wasteful number, since it uses less digits than its factorization.

422122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211063.

The product of its digits is 64, while the sum is 13.

The square root of 422122 is about 649.7091657042. The cubic root of 422122 is about 75.0146341814.

Adding to 422122 its reverse (221224), we get a palindrome (643346).

It can be divided in two parts, 4 and 22122, that multiplied together give a palindrome (88488).

The spelling of 422122 in words is "four hundred twenty-two thousand, one hundred twenty-two", and thus it is an iban number.