6445050322 has 4 divisors (see below), whose sum is σ = 9667575486. Its totient is φ = 3222525160.

The previous prime is 6445050301. The next prime is 6445050323. The reversal of 6445050322 is 2230505446.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6436692441 + 8357881 = 80229^2 + 2891^2 .

It is a super-3 number, since 3×6445050322³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6445050323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611262579 + ... + 1611262582.

Almost surely, 2^6445050322 is an apocalyptic number.

6445050322 is a deficient number, since it is larger than the sum of its proper divisors (3222525164).

6445050322 is a wasteful number, since it uses less digits than its factorization.

6445050322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222525163.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 6445050322 is about 80281.0707576823. The cubic root of 6445050322 is about 1860.9817072623.

Adding to 6445050322 its reverse (2230505446), we get a palindrome (8675555768).

The spelling of 6445050322 in words is "six billion, four hundred forty-five million, fifty thousand, three hundred twenty-two".