6557822 has 8 divisors (see below), whose sum is σ = 9847656. Its totient is φ = 3275272.

The previous prime is 6557819. The next prime is 6557839. The reversal of 6557822 is 2287556.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2273 + ... + 4275.

It is an arithmetic number, because the mean of its divisors is an integer number (1230957).

Almost surely, 2^6557822 is an apocalyptic number.

6557822 is a deficient number, since it is larger than the sum of its proper divisors (3289834).

6557822 is a wasteful number, since it uses less digits than its factorization.

6557822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642.

The product of its digits is 33600, while the sum is 35.

The square root of 6557822 is about 2560.8244766090. The cubic root of 6557822 is about 187.1773128264.

The spelling of 6557822 in words is "six million, five hundred fifty-seven thousand, eight hundred twenty-two".