641043422 has 16 divisors (see below), whose sum is σ = 972142080. Its totient is φ = 317011968.

The previous prime is 641043421. The next prime is 641043433. The reversal of 641043422 is 224340146.

It is a junction number, because it is equal to n+sod(n) for n = 641043391 and 641043400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641043421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81854 + ... + 89342.

It is an arithmetic number, because the mean of its divisors is an integer number (60758880).

Almost surely, 2^641043422 is an apocalyptic number.

641043422 is a deficient number, since it is larger than the sum of its proper divisors (331098658).

641043422 is a wasteful number, since it uses less digits than its factorization.

641043422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7955.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 641043422 is about 25318.8353207647. The cubic root of 641043422 is about 862.2419518448.

Adding to 641043422 its reverse (224340146), we get a palindrome (865383568).

The spelling of 641043422 in words is "six hundred forty-one million, forty-three thousand, four hundred twenty-two".