2216532025 has 12 divisors (see below), whose sum is σ = 2749550332. Its totient is φ = 1772547840.

The previous prime is 2216532007. The next prime is 2216532041. The reversal of 2216532025 is 5202356122.

It can be written as a sum of positive squares in 6 ways, for example, as 2547216 + 2213984809 = 1596^2 + 47053^2 .

It is not a de Polignac number, because 2216532025 - 2¹³ = 2216523833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2216531984 and 2216532002.

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, 55909 + ... + 86941.

Almost surely, 2^2216532025 is an apocalyptic number.

2216532025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2216532025 is a deficient number, since it is larger than the sum of its proper divisors (533018307).

2216532025 is a wasteful number, since it uses less digits than its factorization.

2216532025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33900 (or 33895 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2216532025 is about 47080.0597387047. The cubic root of 2216532025 is about 1303.8411099091.

Adding to 2216532025 its reverse (5202356122), we get a palindrome (7418888147).

The spelling of 2216532025 in words is "two billion, two hundred sixteen million, five hundred thirty-two thousand, twenty-five".