6256246221 has 8 divisors (see below), whose sum is σ = 9268512960. Its totient is φ = 4170830796.

The previous prime is 6256246133. The next prime is 6256246231. The reversal of 6256246221 is 1226426526.

6256246221 is a `hidden beast` number, since 6 + 2 + 5 + 6 + 24 + 622 + 1 = 666.

It is not a de Polignac number, because 6256246221 - 2²⁵ = 6222691789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6256246231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115856385 + ... + 115856438.

It is an arithmetic number, because the mean of its divisors is an integer number (1158564120).

Almost surely, 2^6256246221 is an apocalyptic number.

It is an amenable number.

6256246221 is a deficient number, since it is larger than the sum of its proper divisors (3012266739).

6256246221 is a wasteful number, since it uses less digits than its factorization.

6256246221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231712832 (or 231712826 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 6256246221 is about 79096.4362092250. The cubic root of 6256246221 is about 1842.6291790103.

The spelling of 6256246221 in words is "six billion, two hundred fifty-six million, two hundred forty-six thousand, two hundred twenty-one".