6225657081 has 16 divisors (see below), whose sum is σ = 9620333568. Its totient is φ = 3507411600.

The previous prime is 6225657071. The next prime is 6225657103. The reversal of 6225657081 is 1807565226.

It is not a de Polignac number, because 6225657081 - 2¹⁴ = 6225640697 is a prime.

It is a super-2 number, since 2×6225657081² = 77517612180410881122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6225657071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2086255 + ... + 2089236.

It is an arithmetic number, because the mean of its divisors is an integer number (601270848).

Almost surely, 2^6225657081 is an apocalyptic number.

It is an amenable number.

6225657081 is a deficient number, since it is larger than the sum of its proper divisors (3394676487).

6225657081 is a wasteful number, since it uses less digits than its factorization.

6225657081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4175572.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 6225657081 is about 78902.8331620608. The cubic root of 6225657081 is about 1839.6211689570.

The spelling of 6225657081 in words is "six billion, two hundred twenty-five million, six hundred fifty-seven thousand, eighty-one".