6442075622 has 4 divisors (see below), whose sum is σ = 9663113436. Its totient is φ = 3221037810.

The previous prime is 6442075613. The next prime is 6442075663. The reversal of 6442075622 is 2265702446.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610518904 + ... + 1610518907.

It is an arithmetic number, because the mean of its divisors is an integer number (2415778359).

Almost surely, 2^6442075622 is an apocalyptic number.

6442075622 is a deficient number, since it is larger than the sum of its proper divisors (3221037814).

6442075622 is a wasteful number, since it uses less digits than its factorization.

6442075622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221037813.

The product of its (nonzero) digits is 161280, while the sum is 38.

The square root of 6442075622 is about 80262.5418361517. The cubic root of 6442075622 is about 1860.6953524155.

The spelling of 6442075622 in words is "six billion, four hundred forty-two million, seventy-five thousand, six hundred twenty-two".