422665111120345 has 16 divisors (see below), whose sum is σ = 516769205518800. Its totient is φ = 331751406115584.

The previous prime is 422665111120337. The next prime is 422665111120367. The reversal of 422665111120345 is 543021111566224.

It can be written as a sum of positive squares in 8 ways, for example, as 23418476061696 + 399246635058649 = 4839264^2 + 19981157^2 .

It is a cyclic number.

It is not a de Polignac number, because 422665111120345 - 2³ = 422665111120337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117248947 + ... + 120800023.

It is an arithmetic number, because the mean of its divisors is an integer number (32298075344925).

Almost surely, 2^{422665111120345} is an apocalyptic number.

It is an amenable number.

422665111120345 is a deficient number, since it is larger than the sum of its proper divisors (94104094398455).

422665111120345 is a wasteful number, since it uses less digits than its factorization.

422665111120345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000284.

The product of its (nonzero) digits is 345600, while the sum is 43.

Adding to 422665111120345 its reverse (543021111566224), we get a palindrome (965686222686569).

The spelling of 422665111120345 in words is "four hundred twenty-two trillion, six hundred sixty-five billion, one hundred eleven million, one hundred twenty thousand, three hundred forty-five".