6420626422 has 16 divisors (see below), whose sum is σ = 11007995040. Its totient is φ = 2751395328.

The previous prime is 6420626417. The next prime is 6420626503. The reversal of 6420626422 is 2246260246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148408 + ... + 186724.

It is an arithmetic number, because the mean of its divisors is an integer number (687999690).

Almost surely, 2^6420626422 is an apocalyptic number.

6420626422 is a deficient number, since it is larger than the sum of its proper divisors (4587368618).

6420626422 is a wasteful number, since it uses less digits than its factorization.

6420626422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50295.

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 6420626422 is about 80128.8114350887. The cubic root of 6420626422 is about 1858.6279647300.

Adding to 6420626422 its reverse (2246260246), we get a palindrome (8666886668).

The spelling of 6420626422 in words is "six billion, four hundred twenty million, six hundred twenty-six thousand, four hundred twenty-two".