641073922 has 8 divisors (see below), whose sum is σ = 967369536. Its totient is φ = 318617412.

The previous prime is 641073899. The next prime is 641073929. The reversal of 641073922 is 229370146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (641073929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959358 + ... + 960025.

It is an arithmetic number, because the mean of its divisors is an integer number (120921192).

Almost surely, 2^641073922 is an apocalyptic number.

641073922 is a deficient number, since it is larger than the sum of its proper divisors (326295614).

641073922 is a wasteful number, since it uses less digits than its factorization.

641073922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919552.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 641073922 is about 25319.4376319854. The cubic root of 641073922 is about 862.2556264059.

The spelling of 641073922 in words is "six hundred forty-one million, seventy-three thousand, nine hundred twenty-two".