2245222225 has 6 divisors (see below), whose sum is σ = 2784075590. Its totient is φ = 1796177760.

The previous prime is 2245222183. The next prime is 2245222241. The reversal of 2245222225 is 5222225422.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 490533904 + 1754688321 = 22148^2 + 41889^2 .

It is not a de Polignac number, because 2245222225 - 2⁷ = 2245222097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2245222193 and 2245222202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44904420 + ... + 44904469.

Almost surely, 2^2245222225 is an apocalyptic number.

2245222225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2245222225 is a deficient number, since it is larger than the sum of its proper divisors (538853365).

2245222225 is an equidigital number, since it uses as much as digits as its factorization.

2245222225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89808899 (or 89808894 counting only the distinct ones).

The product of its digits is 12800, while the sum is 28.

The square root of 2245222225 is about 47383.7759681518. The cubic root of 2245222225 is about 1309.4425351784.

Adding to 2245222225 its reverse (5222225422), we get a palindrome (7467447647).

The spelling of 2245222225 in words is "two billion, two hundred forty-five million, two hundred twenty-two thousand, two hundred twenty-five".