2220524 has 18 divisors (see below), whose sum is σ = 3992940. Its totient is φ = 1080192.

The previous prime is 2220521. The next prime is 2220527. The reversal of 2220524 is 4250222.

2220524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2220521) and next prime (2220527).

It is not an unprimeable number, because it can be changed into a prime (2220521) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 22844 + ... + 22940.

It is an arithmetic number, because the mean of its divisors is an integer number (221830).

2^2220524 is an apocalyptic number.

It is an amenable number.

2220524 is a deficient number, since it is larger than the sum of its proper divisors (1772416).

2220524 is an equidigital number, since it uses as much as digits as its factorization.

2220524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 2220524 is about 1490.1422750865. The cubic root of 2220524 is about 130.4623379915.

Adding to 2220524 its reverse (4250222), we get a palindrome (6470746).

It can be divided in two parts, 2220 and 524, that added together give a cube (2744 = 14³).

The spelling of 2220524 in words is "two million, two hundred twenty thousand, five hundred twenty-four".