6226630281 has 27 divisors (see below), whose sum is σ = 9325135911. Its totient is φ = 4003527024.

The previous prime is 6226630253. The next prime is 6226630297. The reversal of 6226630281 is 1820366226.

The square root of 6226630281 is 78909.

It is a perfect power (a square), and thus also a powerful number.

6226630281 is a `hidden beast` number, since 622 + 6 + 6 + 3 + 0 + 28 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3265093881 + 2961536400 = 57141^2 + 54420^2 .

It is not a de Polignac number, because 6226630281 - 2²¹ = 6224533129 is a prime.

It is a super-2 number, since 2×6226630281² = 77541849312532277922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6226630381) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6864630 + ... + 6865536.

Almost surely, 2^6226630281 is an apocalyptic number.

6226630281 is the 78909-th square number.

6226630281 is the 39455-th centered octagonal number.

It is an amenable number.

6226630281 is a deficient number, since it is larger than the sum of its proper divisors (3098505630).

6226630281 is an frugal number, since it uses more digits than its factorization.

6226630281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878 (or 939 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The cubic root of 6226630281 is about 1839.7170210103.

Multiplying 6226630281 by its sum of digits (36), we get a square (224158690116 = 473454²).

The spelling of 6226630281 in words is "six billion, two hundred twenty-six million, six hundred thirty thousand, two hundred eighty-one".