2201652500 has 30 divisors (see below), whose sum is σ = 4814579154. Its totient is φ = 880660000.

The previous prime is 2201652491. The next prime is 2201652511. The reversal of 2201652500 is 52561022.

It can be written as a sum of positive squares in 5 ways, for example, as 483384196 + 1718268304 = 21986^2 + 41452^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 437831 + ... + 442830.

Almost surely, 2^2201652500 is an apocalyptic number.

2201652500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201652500 is an abundant number, since it is smaller than the sum of its proper divisors (2612926654).

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

2201652500 is an equidigital number, since it uses as much as digits as its factorization.

2201652500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880685 (or 880668 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2201652500 is about 46921.7700007150. The cubic root of 2201652500 is about 1300.9170058619.

The spelling of 2201652500 in words is "two billion, two hundred one million, six hundred fifty-two thousand, five hundred".