1002544224 has 96 divisors (see below), whose sum is σ = 2889686016. Its totient is φ = 301816320.

The previous prime is 1002544219. The next prime is 1002544243. The reversal of 1002544224 is 4224452001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1002544194 and 1002544203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162769 + ... + 168815.

It is an arithmetic number, because the mean of its divisors is an integer number (30100896).

Almost surely, 2^1002544224 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 1002544224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1444843008).

1002544224 is an abundant number, since it is smaller than the sum of its proper divisors (1887141792).

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

1002544224 is a wasteful number, since it uses less digits than its factorization.

1002544224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6228 (or 6220 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 1002544224 is about 31662.9787606915. The cubic root of 1002544224 is about 1000.8473564509.

Adding to 1002544224 its reverse (4224452001), we get a palindrome (5226996225).

The spelling of 1002544224 in words is "one billion, two million, five hundred forty-four thousand, two hundred twenty-four".