422018573 has 4 divisors (see below), whose sum is σ = 424607808. Its totient is φ = 419429340.

The previous prime is 422018567. The next prime is 422018581. The reversal of 422018573 is 375810224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422018573 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422018173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1294373 + ... + 1294698.

It is an arithmetic number, because the mean of its divisors is an integer number (106151952).

Almost surely, 2^422018573 is an apocalyptic number.

It is an amenable number.

422018573 is a deficient number, since it is larger than the sum of its proper divisors (2589235).

422018573 is a wasteful number, since it uses less digits than its factorization.

422018573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589234.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 422018573 is about 20543.0906389472. The cubic root of 422018573 is about 750.0850706466.

Adding to 422018573 its reverse (375810224), we get a palindrome (797828797).

The spelling of 422018573 in words is "four hundred twenty-two million, eighteen thousand, five hundred seventy-three".