2250021500 has 24 divisors (see below), whose sum is σ = 4914048048. Its totient is φ = 900008400.

The previous prime is 2250021481. The next prime is 2250021511. The reversal of 2250021500 is 51200522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2249522 + ... + 2250521.

It is an arithmetic number, because the mean of its divisors is an integer number (204752002).

Almost surely, 2^2250021500 is an apocalyptic number.

2250021500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2250021500 is an abundant number, since it is smaller than the sum of its proper divisors (2664026548).

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

2250021500 is a wasteful number, since it uses less digits than its factorization.

2250021500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4500062 (or 4500050 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 2250021500 is about 47434.3915318833. The cubic root of 2250021500 is about 1310.3748708645.

The spelling of 2250021500 in words is "two billion, two hundred fifty million, twenty-one thousand, five hundred".