231122265 has 32 divisors (see below), whose sum is σ = 412010496. Its totient is φ = 109671360.

The previous prime is 231122189. The next prime is 231122273. The reversal of 231122265 is 562221132.

It is not a de Polignac number, because 231122265 - 2⁹ = 231121753 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7147 + ... + 22656.

It is an arithmetic number, because the mean of its divisors is an integer number (12875328).

Almost surely, 2^231122265 is an apocalyptic number.

It is an amenable number.

231122265 is a deficient number, since it is larger than the sum of its proper divisors (180888231).

231122265 is a wasteful number, since it uses less digits than its factorization.

231122265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29869.

The product of its digits is 1440, while the sum is 24.

The square root of 231122265 is about 15202.7058446844. The cubic root of 231122265 is about 613.6874777824.

Adding to 231122265 its reverse (562221132), we get a palindrome (793343397).

The spelling of 231122265 in words is "two hundred thirty-one million, one hundred twenty-two thousand, two hundred sixty-five".