2722448 has 20 divisors (see below), whose sum is σ = 5585580. Its totient is φ = 1281024.

The previous prime is 2722439. The next prime is 2722457. The reversal of 2722448 is 8442272.

It is an interprime number because it is at equal distance from previous prime (2722439) and next prime (2722457).

It can be written as a sum of positive squares in 2 ways, for example, as 2521744 + 200704 = 1588^2 + 448^2 .

It is a super-2 number, since 2×2722448² = 14823446225408, which contains 22 as substring.

2722448 is a modest number, since divided by 2448 gives 272 as remainder.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 2722448.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4733 + ... + 5276.

It is an arithmetic number, because the mean of its divisors is an integer number (279279).

2^2722448 is an apocalyptic number.

It is an amenable number.

2722448 is an abundant number, since it is smaller than the sum of its proper divisors (2863132).

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

2722448 is a wasteful number, since it uses less digits than its factorization.

2722448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10034 (or 10028 counting only the distinct ones).

The product of its digits is 7168, while the sum is 29.

The square root of 2722448 is about 1649.9842423490. The cubic root of 2722448 is about 139.6325055736.

Adding to 2722448 its product of digits (7168), we get a triangular number (2729616 = T₂₃₃₆).

It can be divided in two parts, 27224 and 48, that added together give a palindrome (27272).

The spelling of 2722448 in words is "two million, seven hundred twenty-two thousand, four hundred forty-eight".