2231103662225 has 6 divisors (see below), whose sum is σ = 2766568541190. Its totient is φ = 1784882929760.

The previous prime is 2231103662209. The next prime is 2231103662233. The reversal of 2231103662225 is 5222663011322.

It can be written as a sum of positive squares in 3 ways, for example, as 250084007056 + 1981019655169 = 500084^2 + 1407487^2 .

It is not a de Polignac number, because 2231103662225 - 2⁴ = 2231103662209 is a prime.

It is a super-3 number, since 3×2231103662225³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44622073220 + ... + 44622073269.

It is an arithmetic number, because the mean of its divisors is an integer number (461094756865).

Almost surely, 2^{2231103662225} is an apocalyptic number.

2231103662225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2231103662225 is a deficient number, since it is larger than the sum of its proper divisors (535464878965).

2231103662225 is an equidigital number, since it uses as much as digits as its factorization.

2231103662225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89244146499 (or 89244146494 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 2231103662225 its reverse (5222663011322), we get a palindrome (7453766673547).

The spelling of 2231103662225 in words is "two trillion, two hundred thirty-one billion, one hundred three million, six hundred sixty-two thousand, two hundred twenty-five".