6625522 has 4 divisors (see below), whose sum is σ = 9938286. Its totient is φ = 3312760.

The previous prime is 6625519. The next prime is 6625571. The reversal of 6625522 is 2255266.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3381921 + 3243601 = 1839^2 + 1801^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656379 + ... + 1656382.

Almost surely, 2^6625522 is an apocalyptic number.

6625522 is a deficient number, since it is larger than the sum of its proper divisors (3312764).

6625522 is a wasteful number, since it uses less digits than its factorization.

6625522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312763.

The product of its digits is 7200, while the sum is 28.

The square root of 6625522 is about 2574.0089354934. The cubic root of 6625522 is about 187.8192203643.

The spelling of 6625522 in words is "six million, six hundred twenty-five thousand, five hundred twenty-two".