2216025 has 72 divisors (see below), whose sum is σ = 4806240. Its totient is φ = 997920.

The previous prime is 2216021. The next prime is 2216047. The reversal of 2216025 is 5206122.

It is not a de Polignac number, because 2216025 - 2² = 2216021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2215989 and 2216007.

It is not an unprimeable number, because it can be changed into a prime (2216021) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 33042 + ... + 33108.

2^2216025 is an apocalyptic number.

2216025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2216025 is an abundant number, since it is smaller than the sum of its proper divisors (2590215).

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

2216025 is a wasteful number, since it uses less digits than its factorization.

2216025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2216025 is about 1488.6319222696. The cubic root of 2216025 is about 130.3741685757.

The spelling of 2216025 in words is "two million, two hundred sixteen thousand, twenty-five".