422602060645 has 4 divisors (see below), whose sum is σ = 507122472780. Its totient is φ = 338081648512.

The previous prime is 422602060609. The next prime is 422602060649. The reversal of 422602060645 is 546060206224.

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 114762402756 + 307839657889 = 338766^2 + 554833^2 .

It is a cyclic number.

It is not a de Polignac number, because 422602060645 - 2¹⁷ = 422601929573 is a prime.

It is a super-2 number, since 2×422602060645² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422602060649) 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, 42260206060 + ... + 42260206069.

It is an arithmetic number, because the mean of its divisors is an integer number (126780618195).

Almost surely, 2^422602060645 is an apocalyptic number.

It is an amenable number.

422602060645 is a deficient number, since it is larger than the sum of its proper divisors (84520412135).

422602060645 is an equidigital number, since it uses as much as digits as its factorization.

422602060645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84520412134.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 422602060645 its reverse (546060206224), we get a palindrome (968662266869).

The spelling of 422602060645 in words is "four hundred twenty-two billion, six hundred two million, sixty thousand, six hundred forty-five".