6922216 has 32 divisors (see below), whose sum is σ = 15050880. Its totient is φ = 2923200.

The previous prime is 6922193. The next prime is 6922229. The reversal of 6922216 is 6122296.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3106 + ... + 4846.

It is an arithmetic number, because the mean of its divisors is an integer number (470340).

Almost surely, 2^6922216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6922216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7525440).

6922216 is an abundant number, since it is smaller than the sum of its proper divisors (8128664).

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

6922216 is a wasteful number, since it uses less digits than its factorization.

6922216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825 (or 1821 counting only the distinct ones).

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

The square root of 6922216 is about 2631.0104522787. The cubic root of 6922216 is about 190.5819277763.

The spelling of 6922216 in words is "six million, nine hundred twenty-two thousand, two hundred sixteen".