6622139862 has 24 divisors (see below), whose sum is σ = 15451660224. Its totient is φ = 2037581424.

The previous prime is 6622139837. The next prime is 6622139869. The reversal of 6622139862 is 2689312266.

6622139862 is a `hidden beast` number, since 6 + 622 + 13 + 9 + 8 + 6 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6622139869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14149638 + ... + 14150105.

It is an arithmetic number, because the mean of its divisors is an integer number (643819176).

Almost surely, 2^6622139862 is an apocalyptic number.

6622139862 is an abundant number, since it is smaller than the sum of its proper divisors (8829520362).

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

6622139862 is a wasteful number, since it uses less digits than its factorization.

6622139862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28299764 (or 28299761 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 6622139862 is about 81376.5313957286. The cubic root of 6622139862 is about 1877.8725615872.

The spelling of 6622139862 in words is "six billion, six hundred twenty-two million, one hundred thirty-nine thousand, eight hundred sixty-two".