2225517616 has 20 divisors (see below), whose sum is σ = 4927932112. Its totient is φ = 953793216.

The previous prime is 2225517599. The next prime is 2225517629. The reversal of 2225517616 is 6167155222.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9935235 + ... + 9935458.

Almost surely, 2^2225517616 is an apocalyptic number.

It is an amenable number.

2225517616 is an abundant number, since it is smaller than the sum of its proper divisors (2702414496).

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

2225517616 is a wasteful number, since it uses less digits than its factorization.

2225517616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19870708 (or 19870702 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 2225517616 is about 47175.3920598441. The cubic root of 2225517616 is about 1305.6006133205.

It can be divided in two parts, 2225 and 517616, that added together give a square (519841 = 721²).

The spelling of 2225517616 in words is "two billion, two hundred twenty-five million, five hundred seventeen thousand, six hundred sixteen".