2219824 has 10 divisors (see below), whose sum is σ = 4300940. Its totient is φ = 1109904.

The previous prime is 2219813. The next prime is 2219831. The reversal of 2219824 is 4289122.

2219824 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2219792 and 2219801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69354 + ... + 69385.

It is an arithmetic number, because the mean of its divisors is an integer number (430094).

2^2219824 is an apocalyptic number.

It is an amenable number.

2219824 is a deficient number, since it is larger than the sum of its proper divisors (2081116).

2219824 is a wasteful number, since it uses less digits than its factorization.

2219824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138747 (or 138741 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 2219824 is about 1489.9073796716. The cubic root of 2219824 is about 130.4486275288.

It can be divided in two parts, 22198 and 24, that added together give a palindrome (22222).

The spelling of 2219824 in words is "two million, two hundred nineteen thousand, eight hundred twenty-four".