6215422625 has 32 divisors (see below), whose sum is σ = 7919537184. Its totient is φ = 4868448000.

The previous prime is 6215422597. The next prime is 6215422637. The reversal of 6215422625 is 5262245126.

It can be written as a sum of positive squares in 16 ways, for example, as 2108279056 + 4107143569 = 45916^2 + 64087^2 .

It is not a de Polignac number, because 6215422625 - 2⁶ = 6215422561 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6233627 + ... + 6234623.

It is an arithmetic number, because the mean of its divisors is an integer number (247485537).

Almost surely, 2^6215422625 is an apocalyptic number.

It is an amenable number.

6215422625 is a deficient number, since it is larger than the sum of its proper divisors (1704114559).

6215422625 is an equidigital number, since it uses as much as digits as its factorization.

6215422625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006 (or 1996 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 6215422625 is about 78837.9516793784. The cubic root of 6215422625 is about 1838.6125552985.

The spelling of 6215422625 in words is "six billion, two hundred fifteen million, four hundred twenty-two thousand, six hundred twenty-five".