6615622 has 8 divisors (see below), whose sum is σ = 10686816. Its totient is φ = 3053352.

The previous prime is 6615613. The next prime is 6615641. The reversal of 6615622 is 2265166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 127198 + ... + 127249.

It is an arithmetic number, because the mean of its divisors is an integer number (1335852).

Almost surely, 2^6615622 is an apocalyptic number.

6615622 is a deficient number, since it is larger than the sum of its proper divisors (4071194).

6615622 is a wasteful number, since it uses less digits than its factorization.

6615622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254462.

The product of its digits is 4320, while the sum is 28.

The square root of 6615622 is about 2572.0851463356. The cubic root of 6615622 is about 187.7256258684.

The spelling of 6615622 in words is "six million, six hundred fifteen thousand, six hundred twenty-two".