2722384 has 40 divisors (see below), whose sum is σ = 6110720. Its totient is φ = 1150848.

The previous prime is 2722367. The next prime is 2722387. The reversal of 2722384 is 4832272.

It is a super-2 number, since 2×2722384² = 14822749286912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a d-powerful number, because it can be written as 2¹³ + 7⁵ + 2¹⁹ + 2²¹ + 3¹⁰ + 8³ + 4⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722387) 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, 12097 + ... + 12319.

It is an arithmetic number, because the mean of its divisors is an integer number (152768).

2^2722384 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 2722384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3055360).

2722384 is an abundant number, since it is smaller than the sum of its proper divisors (3388336).

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

2722384 is a wasteful number, since it uses less digits than its factorization.

2722384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 341 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 2722384 is about 1649.9648481104. The cubic root of 2722384 is about 139.6314113929.

The spelling of 2722384 in words is "two million, seven hundred twenty-two thousand, three hundred eighty-four".