6221626101 has 12 divisors (see below), whose sum is σ = 8987761900. Its totient is φ = 4147303680.

The previous prime is 6221626093. The next prime is 6221626121. The reversal of 6221626101 is 1016261226.

6221626101 is a `hidden beast` number, since 6 + 2 + 21 + 626 + 10 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1832696100 + 4388930001 = 42810^2 + 66249^2 .

It is not a de Polignac number, because 6221626101 - 2³ = 6221626093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6221626121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65925 + ... + 129573.

Almost surely, 2^6221626101 is an apocalyptic number.

It is an amenable number.

6221626101 is a deficient number, since it is larger than the sum of its proper divisors (2766135799).

6221626101 is a wasteful number, since it uses less digits than its factorization.

6221626101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74516 (or 74513 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 6221626101 is about 78877.2850762499. The cubic root of 6221626101 is about 1839.2240447620.

Adding to 6221626101 its reverse (1016261226), we get a palindrome (7237887327).

The spelling of 6221626101 in words is "six billion, two hundred twenty-one million, six hundred twenty-six thousand, one hundred one".