2251185200 has 60 divisors (see below), whose sum is σ = 5900163288. Its totient is φ = 818611200.

The previous prime is 2251185137. The next prime is 2251185221. The reversal of 2251185200 is 25811522.

It is a self number, because there is not a number n which added to its sum of digits gives 2251185200.

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 11 ways as a sum of consecutive naturals, for example, 251417 + ... + 260216.

Almost surely, 2^2251185200 is an apocalyptic number.

2251185200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2251185200 is an abundant number, since it is smaller than the sum of its proper divisors (3648978088).

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

2251185200 is a wasteful number, since it uses less digits than its factorization.

2251185200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511662 (or 511651 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 2251185200 is about 47446.6563626985. The cubic root of 2251185200 is about 1310.6007383988.

Adding to 2251185200 its reverse (25811522), we get a palindrome (2276996722).

The spelling of 2251185200 in words is "two billion, two hundred fifty-one million, one hundred eighty-five thousand, two hundred".