2216055625 has 45 divisors (see below), whose sum is σ = 3233314227. Its totient is φ = 1513932000.

The previous prime is 2216055613. The next prime is 2216055629. The reversal of 2216055625 is 5265506122.

The square root of 2216055625 is 47075.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 2214737721 + 1317904 = 47061^2 + 1148^2 .

It is not a de Polignac number, because 2216055625 - 2¹⁵ = 2216022857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2216055629) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 8237991 + ... + 8238259.

Almost surely, 2^2216055625 is an apocalyptic number.

2216055625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2216055625 is the 47075-th square number.

2216055625 is the 23538-th centered octagonal number.

It is an amenable number.

2216055625 is a deficient number, since it is larger than the sum of its proper divisors (1017258602).

2216055625 is an frugal number, since it uses more digits than its factorization.

2216055625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The cubic root of 2216055625 is about 1303.7476915413.

The spelling of 2216055625 in words is "two billion, two hundred sixteen million, fifty-five thousand, six hundred twenty-five".