6441221446 has 8 divisors (see below), whose sum is σ = 10540180584. Its totient is φ = 2927827920.

The previous prime is 6441221441. The next prime is 6441221467.

6441221446 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6441221441) 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, 146391375 + ... + 146391418.

It is an arithmetic number, because the mean of its divisors is an integer number (1317522573).

Almost surely, 2^6441221446 is an apocalyptic number.

6441221446 is a deficient number, since it is larger than the sum of its proper divisors (4098959138).

6441221446 is a wasteful number, since it uses less digits than its factorization.

6441221446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292782806.

The product of its digits is 36864, while the sum is 34.

The square root of 6441221446 is about 80257.2205225175. The cubic root of 6441221446 is about 1860.6131102078.

It can be divided in two parts, 64412 and 21446, that added together give a palindrome (85858).

The spelling of 6441221446 in words is "six billion, four hundred forty-one million, two hundred twenty-one thousand, four hundred forty-six".