2271448225 has 12 divisors (see below), whose sum is σ = 2817617404. Its totient is φ = 1816499520.

The previous prime is 2271448187. The next prime is 2271448243. The reversal of 2271448225 is 5228441722.

It can be written as a sum of positive squares in 6 ways, for example, as 187799616 + 2083648609 = 13704^2 + 45647^2 .

It is not a de Polignac number, because 2271448225 - 2¹³ = 2271440033 is a prime.

It is a Duffinian number.

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, 60967 + ... + 90883.

Almost surely, 2^2271448225 is an apocalyptic number.

2271448225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2271448225 is a deficient number, since it is larger than the sum of its proper divisors (546169179).

2271448225 is a wasteful number, since it uses less digits than its factorization.

2271448225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32964 (or 32959 counting only the distinct ones).

The product of its digits is 71680, while the sum is 37.

The square root of 2271448225 is about 47659.7128086186. The cubic root of 2271448225 is about 1314.5212587416.

Adding to 2271448225 its reverse (5228441722), we get a palindrome (7499889947).

The spelling of 2271448225 in words is "two billion, two hundred seventy-one million, four hundred forty-eight thousand, two hundred twenty-five".