422440632541 has 16 divisors (see below), whose sum is σ = 465193981440. Its totient is φ = 381948652800.

The previous prime is 422440632503. The next prime is 422440632547. The reversal of 422440632541 is 145236044224.

It is a cyclic number.

It is not a de Polignac number, because 422440632541 - 2⁷ = 422440632413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 422440632541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422440632547) 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 15 ways as a sum of consecutive naturals, for example, 4200985 + ... + 4300366.

It is an arithmetic number, because the mean of its divisors is an integer number (29074623840).

Almost surely, 2^422440632541 is an apocalyptic number.

It is an amenable number.

422440632541 is a deficient number, since it is larger than the sum of its proper divisors (42753348899).

422440632541 is a wasteful number, since it uses less digits than its factorization.

422440632541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8501484.

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 422440632541 its reverse (145236044224), we get a palindrome (567676676765).

The spelling of 422440632541 in words is "four hundred twenty-two billion, four hundred forty million, six hundred thirty-two thousand, five hundred forty-one".