6268927221 has 12 divisors (see below), whose sum is σ = 9055914348. Its totient is φ = 4178916864.

The previous prime is 6268927199. The next prime is 6268927243. The reversal of 6268927221 is 1227298626.

It is an interprime number because it is at equal distance from previous prime (6268927199) and next prime (6268927243).

It can be written as a sum of positive squares in 2 ways, for example, as 4420787121 + 1848140100 = 66489^2 + 42990^2 .

It is not a de Polignac number, because 6268927221 - 2¹³ = 6268919029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6268927271) 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, 112341 + ... + 158613.

It is an arithmetic number, because the mean of its divisors is an integer number (754659529).

Almost surely, 2^6268927221 is an apocalyptic number.

It is an amenable number.

6268927221 is a deficient number, since it is larger than the sum of its proper divisors (2786987127).

6268927221 is a wasteful number, since it uses less digits than its factorization.

6268927221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61332 (or 61329 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 6268927221 is about 79176.5572691816. The cubic root of 6268927221 is about 1843.8733015600.

The spelling of 6268927221 in words is "six billion, two hundred sixty-eight million, nine hundred twenty-seven thousand, two hundred twenty-one".