2220345225 has 72 divisors (see below), whose sum is σ = 4784287040. Its totient is φ = 961580160.

The previous prime is 2220345199. The next prime is 2220345251. The reversal of 2220345225 is 5225430222.

2220345225 is a `hidden beast` number, since 2 + 2 + 203 + 452 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (2220345199) and next prime (2220345251).

It is not a de Polignac number, because 2220345225 - 2¹⁰ = 2220344201 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7174 + ... + 67023.

Almost surely, 2^2220345225 is an apocalyptic number.

2220345225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2220345225 is an abundant number, since it is smaller than the sum of its proper divisors (2563941815).

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

2220345225 is a wasteful number, since it uses less digits than its factorization.

2220345225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74239 (or 74231 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 2220345225 is about 47120.5393114298. The cubic root of 2220345225 is about 1304.5883671126.

Adding to 2220345225 its reverse (5225430222), we get a palindrome (7445775447).

The spelling of 2220345225 in words is "two billion, two hundred twenty million, three hundred forty-five thousand, two hundred twenty-five".