2420224 has 40 divisors (see below), whose sum is σ = 5033160. Its totient is φ = 1161216.

The previous prime is 2420213. The next prime is 2420237. The reversal of 2420224 is 4220242.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2420198 and 2420207.

It is a congruent number.

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, 14767 + ... + 14929.

It is an arithmetic number, because the mean of its divisors is an integer number (125829).

2^2420224 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 2420224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2516580).

2420224 is an abundant number, since it is smaller than the sum of its proper divisors (2612936).

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

2420224 is an equidigital number, since it uses as much as digits as its factorization.

2420224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2420224 is about 1555.7069132713. The cubic root of 2420224 is about 134.2616111431.

Adding to 2420224 its reverse (4220242), we get a palindrome (6640466).

The spelling of 2420224 in words is "two million, four hundred twenty thousand, two hundred twenty-four".