2245002500 has 120 divisors (see below), whose sum is σ = 5371130688. Its totient is φ = 815760000.

The previous prime is 2245002499. The next prime is 2245002511. The reversal of 2245002500 is 52005422.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2176985 + ... + 2178015.

Almost surely, 2^2245002500 is an apocalyptic number.

2245002500 is a gapful number since it is divisible by the number (20) 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 2245002500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2685565344).

2245002500 is an abundant number, since it is smaller than the sum of its proper divisors (3126128188).

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

2245002500 is a wasteful number, since it uses less digits than its factorization.

2245002500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 2245002500 is about 47381.4573435643. The cubic root of 2245002500 is about 1309.3998183010.

Adding to 2245002500 its reverse (52005422), we get a palindrome (2297007922).

The spelling of 2245002500 in words is "two billion, two hundred forty-five million, two thousand, five hundred".