2231144225 has 12 divisors (see below), whose sum is σ = 2830960176. Its totient is φ = 1743404880.

The previous prime is 2231144221. The next prime is 2231144291. The reversal of 2231144225 is 5224411322.

It is not a de Polignac number, because 2231144225 - 2² = 2231144221 is a prime.

It is a super-3 number, since 3×2231144225³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2231144194 and 2231144203.

It is not an unprimeable number, because it can be changed into a prime (2231144221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1036667 + ... + 1038816.

It is an arithmetic number, because the mean of its divisors is an integer number (235913348).

Almost surely, 2^2231144225 is an apocalyptic number.

2231144225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2231144225 is a deficient number, since it is larger than the sum of its proper divisors (599815951).

2231144225 is a wasteful number, since it uses less digits than its factorization.

2231144225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075536 (or 2075531 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 2231144225 is about 47234.9894146278. The cubic root of 2231144225 is about 1306.6999713488.

Adding to 2231144225 its reverse (5224411322), we get a palindrome (7455555547).

The spelling of 2231144225 in words is "two billion, two hundred thirty-one million, one hundred forty-four thousand, two hundred twenty-five".