422126 has 4 divisors (see below), whose sum is σ = 633192. Its totient is φ = 211062.

The previous prime is 422113. The next prime is 422129. The reversal of 422126 is 621224.

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

It is a Curzon number.

It is a congruent number.

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

422126 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 as a sum of consecutive naturals, namely, 105530 + ... + 105533.

It is an arithmetic number, because the mean of its divisors is an integer number (158298).

2⁴²²¹²⁶ is an apocalyptic number.

422126 is a deficient number, since it is larger than the sum of its proper divisors (211066).

422126 is a wasteful number, since it uses less digits than its factorization.

422126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211065.

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

The square root of 422126 is about 649.7122439973. The cubic root of 422126 is about 75.0148711252.

It can be divided in two parts, 4221 and 26, that multiplied together give a triangular number (109746 = T₄₆₈).

The spelling of 422126 in words is "four hundred twenty-two thousand, one hundred twenty-six".