6442603122 has 16 divisors (see below), whose sum is σ = 12885995232. Its totient is φ = 2147402880.

The previous prime is 6442603121. The next prime is 6442603151. The reversal of 6442603122 is 2213062446.

It is a self number, because there is not a number n which added to its sum of digits gives 6442603122.

It is not an unprimeable number, because it can be changed into a prime (6442603121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163693 + ... + 199199.

It is an arithmetic number, because the mean of its divisors is an integer number (805374702).

Almost surely, 2^6442603122 is an apocalyptic number.

6442603122 is an abundant number, since it is smaller than the sum of its proper divisors (6443392110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6442603122 is a wasteful number, since it uses less digits than its factorization.

6442603122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65753.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 6442603122 is about 80265.8278596814. The cubic root of 6442603122 is about 1860.7461378076.

Adding to 6442603122 its reverse (2213062446), we get a palindrome (8655665568).

The spelling of 6442603122 in words is "six billion, four hundred forty-two million, six hundred three thousand, one hundred twenty-two".