2225312550 has 72 divisors (see below), whose sum is σ = 5986290960. Its totient is φ = 592660800.

The previous prime is 2225312549. The next prime is 2225312567. The reversal of 2225312550 is 552135222.

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 35 ways as a sum of consecutive naturals, for example, 410860 + ... + 416240.

It is an arithmetic number, because the mean of its divisors is an integer number (83142930).

Almost surely, 2^2225312550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2225312550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2993145480).

2225312550 is an abundant number, since it is smaller than the sum of its proper divisors (3760978410).

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

2225312550 is a wasteful number, since it uses less digits than its factorization.

2225312550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6318 (or 6310 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2225312550 is about 47173.2185673185. The cubic root of 2225312550 is about 1305.5605114109.

Adding to 2225312550 its reverse (552135222), we get a palindrome (2777447772).

The spelling of 2225312550 in words is "two billion, two hundred twenty-five million, three hundred twelve thousand, five hundred fifty".