2224530 has 128 divisors (see below), whose sum is σ = 7464960. Its totient is φ = 457920.

The previous prime is 2224517. The next prime is 2224553. The reversal of 2224530 is 354222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20737 + ... + 20843.

It is an arithmetic number, because the mean of its divisors is an integer number (58320).

2^2224530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2224530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3732480).

2224530 is an abundant number, since it is smaller than the sum of its proper divisors (5240430).

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

2224530 is a wasteful number, since it uses less digits than its factorization.

2224530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2224530 is about 1491.4858363391. The cubic root of 2224530 is about 130.5407456332.

Adding to 2224530 its reverse (354222), we get a palindrome (2578752).

The spelling of 2224530 in words is "two million, two hundred twenty-four thousand, five hundred thirty".