2722048 has 72 divisors (see below), whose sum is σ = 6540800. Its totient is φ = 1128960.

The previous prime is 2722043. The next prime is 2722061. The reversal of 2722048 is 8402272.

It is not an unprimeable number, because it can be changed into a prime (2722043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87793 + ... + 87823.

2^2722048 is an apocalyptic number.

2722048 is a gapful number since it is divisible by the number (28) 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 2722048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3270400).

2722048 is an abundant number, since it is smaller than the sum of its proper divisors (3818752).

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

2722048 is an frugal number, since it uses more digits than its factorization.

2722048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 2722048 is about 1649.8630246175. The cubic root of 2722048 is about 139.6256666627.

The spelling of 2722048 in words is "two million, seven hundred twenty-two thousand, forty-eight".