6909222 has 8 divisors (see below), whose sum is σ = 13818456. Its totient is φ = 2303072.

The previous prime is 6909173. The next prime is 6909247. The reversal of 6909222 is 2229096.

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

6909222 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 6909222.

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, 575763 + ... + 575774.

It is an arithmetic number, because the mean of its divisors is an integer number (1727307).

Almost surely, 2^6909222 is an apocalyptic number.

6909222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6909222 is a wasteful number, since it uses less digits than its factorization.

6909222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151542.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 6909222 is about 2628.5398988792. The cubic root of 6909222 is about 190.4626031399.

The spelling of 6909222 in words is "six million, nine hundred nine thousand, two hundred twenty-two".