422444501 has 4 divisors (see below), whose sum is σ = 422485932. Its totient is φ = 422403072.

The previous prime is 422444483. The next prime is 422444531. The reversal of 422444501 is 105444224.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 101103025 + 321341476 = 10055^2 + 17926^2 .

It is a cyclic number.

It is not a de Polignac number, because 422444501 - 2¹⁰ = 422443477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422444531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6485 + ... + 29781.

It is an arithmetic number, because the mean of its divisors is an integer number (105621483).

Almost surely, 2^422444501 is an apocalyptic number.

It is an amenable number.

422444501 is a deficient number, since it is larger than the sum of its proper divisors (41431).

422444501 is a wasteful number, since it uses less digits than its factorization.

422444501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41430.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 422444501 is about 20553.4547217737. The cubic root of 422444501 is about 750.3373303290.

Adding to 422444501 its reverse (105444224), we get a palindrome (527888725).

The spelling of 422444501 in words is "four hundred twenty-two million, four hundred forty-four thousand, five hundred one".