6622291 has 8 divisors (see below), whose sum is σ = 7151760. Its totient is φ = 6095712.

The previous prime is 6622283. The next prime is 6622303. The reversal of 6622291 is 1922266.

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

It is a cyclic number.

It is not a de Polignac number, because 6622291 - 2³ = 6622283 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6622211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8181 + ... + 8953.

It is an arithmetic number, because the mean of its divisors is an integer number (893970).

Almost surely, 2^6622291 is an apocalyptic number.

6622291 is a deficient number, since it is larger than the sum of its proper divisors (529469).

6622291 is a wasteful number, since it uses less digits than its factorization.

6622291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445.

The product of its digits is 2592, while the sum is 28.

The square root of 6622291 is about 2573.3812387596. The cubic root of 6622291 is about 187.7886847792.

The spelling of 6622291 in words is "six million, six hundred twenty-two thousand, two hundred ninety-one".