422545342541 has 16 divisors (see below), whose sum is σ = 496030634880. Its totient is φ = 352343234880.

The previous prime is 422545342463. The next prime is 422545342561. The reversal of 422545342541 is 145243545224.

It is a de Polignac number, because none of the positive numbers 2^k-422545342541 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 (422545342561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1781426 + ... + 2004636.

It is an arithmetic number, because the mean of its divisors is an integer number (31001914680).

Almost surely, 2^422545342541 is an apocalyptic number.

It is an amenable number.

422545342541 is a deficient number, since it is larger than the sum of its proper divisors (73485292339).

422545342541 is a wasteful number, since it uses less digits than its factorization.

422545342541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230564.

The product of its digits is 768000, while the sum is 41.

Adding to 422545342541 its reverse (145243545224), we get a palindrome (567788887765).

The spelling of 422545342541 in words is "four hundred twenty-two billion, five hundred forty-five million, three hundred forty-two thousand, five hundred forty-one".