2503224 has 40 divisors (see below), whose sum is σ = 7013160. Its totient is φ = 834192.

The previous prime is 2503217. The next prime is 2503253. The reversal of 2503224 is 4223052.

It is a super-2 number, since 2×2503224² = 12532260788352, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 2503197 and 2503206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1284 + ... + 2579.

It is an arithmetic number, because the mean of its divisors is an integer number (175329).

2^2503224 is an apocalyptic number.

2503224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2503224 is an abundant number, since it is smaller than the sum of its proper divisors (4509936).

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

2503224 is a wasteful number, since it uses less digits than its factorization.

2503224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3881 (or 3868 counting only the distinct ones).

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

The square root of 2503224 is about 1582.1580199209. The cubic root of 2503224 is about 135.7791976511.

Adding to 2503224 its reverse (4223052), we get a palindrome (6726276).

The spelling of 2503224 in words is "two million, five hundred three thousand, two hundred twenty-four".