422320553 has 4 divisors (see below), whose sum is σ = 433734660. Its totient is φ = 410906448.

The previous prime is 422320537. The next prime is 422320621. The reversal of 422320553 is 355023224.

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

It can be written as a sum of positive squares in 2 ways, for example, as 260725609 + 161594944 = 16147^2 + 12712^2 .

It is a cyclic number.

It is not a de Polignac number, because 422320553 - 2⁴ = 422320537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422320453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5706998 + ... + 5707071.

It is an arithmetic number, because the mean of its divisors is an integer number (108433665).

Almost surely, 2^422320553 is an apocalyptic number.

It is an amenable number.

422320553 is a deficient number, since it is larger than the sum of its proper divisors (11414107).

422320553 is a wasteful number, since it uses less digits than its factorization.

422320553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11414106.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 422320553 is about 20550.4392410479. The cubic root of 422320553 is about 750.2639385118.

Adding to 422320553 its reverse (355023224), we get a palindrome (777343777).

The spelling of 422320553 in words is "four hundred twenty-two million, three hundred twenty thousand, five hundred fifty-three".