2213444225 has 12 divisors (see below), whose sum is σ = 2748088620. Its totient is φ = 1768550400.

The previous prime is 2213444209. The next prime is 2213444263. The reversal of 2213444225 is 5224443122.

2213444225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 107827456 + 2105616769 = 10384^2 + 45887^2 .

It is not a de Polignac number, because 2213444225 - 2⁴ = 2213444209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34496 + ... + 74945.

It is an arithmetic number, because the mean of its divisors is an integer number (229007385).

Almost surely, 2^2213444225 is an apocalyptic number.

2213444225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2213444225 is a deficient number, since it is larger than the sum of its proper divisors (534644395).

2213444225 is a wasteful number, since it uses less digits than its factorization.

2213444225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110260 (or 110255 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 2213444225 is about 47047.2552334352. The cubic root of 2213444225 is about 1303.2353781486.

Adding to 2213444225 its reverse (5224443122), we get a palindrome (7437887347).

The spelling of 2213444225 in words is "two billion, two hundred thirteen million, four hundred forty-four thousand, two hundred twenty-five".