6922240 has 84 divisors (see below), whose sum is σ = 17988534. Its totient is φ = 2555904.

The previous prime is 6922231. The next prime is 6922261. The reversal of 6922240 is 422296.

It can be written as a sum of positive squares in 3 ways, for example, as 2985984 + 3936256 = 1728^2 + 1984^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 532474 + ... + 532486.

Almost surely, 2^6922240 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 6922240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8994267).

6922240 is an abundant number, since it is smaller than the sum of its proper divisors (11066294).

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

6922240 is an equidigital number, since it uses as much as digits as its factorization.

6922240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57 (or 20 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 6922240 is about 2631.0150132601. The cubic root of 6922240 is about 190.5821480314.

The spelling of 6922240 in words is "six million, nine hundred twenty-two thousand, two hundred forty".