2500224 has 64 divisors (see below), whose sum is σ = 7050240. Its totient is φ = 782336.

The previous prime is 2500213. The next prime is 2500273. The reversal of 2500224 is 4220052.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×2500224² = 12502240100352, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6337 + ... + 6719.

It is an arithmetic number, because the mean of its divisors is an integer number (110160).

2^2500224 is an apocalyptic number.

2500224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2500224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3525120).

2500224 is an abundant number, since it is smaller than the sum of its proper divisors (4550016).

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

2500224 is a wasteful number, since it uses less digits than its factorization.

2500224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 2500224 is about 1581.2096635171. The cubic root of 2500224 is about 135.7249342390.

Adding to 2500224 its reverse (4220052), we get a palindrome (6720276).

The spelling of 2500224 in words is "two million, five hundred thousand, two hundred twenty-four".