6722448 has 40 divisors (see below), whose sum is σ = 17775648. Its totient is φ = 2188032.

The previous prime is 6722423. The next prime is 6722473. The reversal of 6722448 is 8442276.

6722448 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6722423) and next prime (6722473).

It is a super-2 number, since 2×6722448² = 90382614225408, which contains 22 as substring.

It is a congruent number.

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, 436 + ... + 3692.

Almost surely, 2^6722448 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 6722448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8887824).

6722448 is an abundant number, since it is smaller than the sum of its proper divisors (11053200).

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

6722448 is a wasteful number, since it uses less digits than its factorization.

6722448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311 (or 3305 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 6722448 is about 2592.7684046208. The cubic root of 6722448 is about 188.7306709444.

The spelling of 6722448 in words is "six million, seven hundred twenty-two thousand, four hundred forty-eight".