6922440 has 192 divisors, whose sum is σ = 26732160. Its totient is φ = 1520640.

The previous prime is 6922427. The next prime is 6922457. The reversal of 6922440 is 442296.

6922440 = 191² + 192² + ... + 302².

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103287 + ... + 103353.

It is an arithmetic number, because the mean of its divisors is an integer number (139230).

Almost surely, 2^6922440 is an apocalyptic number.

6922440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6922440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13366080).

6922440 is an abundant number, since it is smaller than the sum of its proper divisors (19809720).

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

6922440 is a wasteful number, since it uses less digits than its factorization.

6922440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 6922440 is about 2631.0530211305. The cubic root of 6922440 is about 190.5839834711.

The spelling of 6922440 in words is "six million, nine hundred twenty-two thousand, four hundred forty".