6426222420 has 24 divisors (see below), whose sum is σ = 17993422944. Its totient is φ = 1713659296.

The previous prime is 6426222367. The next prime is 6426222457. The reversal of 6426222420 is 242226246.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 53551794 + ... + 53551913.

It is an arithmetic number, because the mean of its divisors is an integer number (749725956).

Almost surely, 2^6426222420 is an apocalyptic number.

6426222420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6426222420 is an abundant number, since it is smaller than the sum of its proper divisors (11567200524).

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

6426222420 is a wasteful number, since it uses less digits than its factorization.

6426222420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107103719 (or 107103717 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 6426222420 is about 80163.7225932030. The cubic root of 6426222420 is about 1859.1677800829.

Adding to 6426222420 its reverse (242226246), we get a palindrome (6668448666).

The spelling of 6426222420 in words is "six billion, four hundred twenty-six million, two hundred twenty-two thousand, four hundred twenty".