2225315916 has 60 divisors (see below), whose sum is σ = 5841759000. Its totient is φ = 738668160.

The previous prime is 2225315879. The next prime is 2225315923. The reversal of 2225315916 is 6195135222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 63835 + ... + 92333.

It is an arithmetic number, because the mean of its divisors is an integer number (97362650).

Almost surely, 2^2225315916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2225315916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2920879500).

2225315916 is an abundant number, since it is smaller than the sum of its proper divisors (3616443084).

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

2225315916 is a wasteful number, since it uses less digits than its factorization.

2225315916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28756 (or 28745 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 2225315916 is about 47173.2542443279. The cubic root of 2225315916 is about 1305.5611696726.

The spelling of 2225315916 in words is "two billion, two hundred twenty-five million, three hundred fifteen thousand, nine hundred sixteen".