8226505231 has 4 divisors (see below), whose sum is σ = 9401720272. Its totient is φ = 7051290192.

The previous prime is 8226505193. The next prime is 8226505253. The reversal of 8226505231 is 1325056228.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8226505231 - 2⁷ = 8226505103 is a prime.

It is a super-2 number, since 2×8226505231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8226505271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587607510 + ... + 587607523.

It is an arithmetic number, because the mean of its divisors is an integer number (2350430068).

Almost surely, 2^8226505231 is an apocalyptic number.

8226505231 is a deficient number, since it is larger than the sum of its proper divisors (1175215041).

8226505231 is a wasteful number, since it uses less digits than its factorization.

8226505231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175215040.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 8226505231 is about 90700.0839635775. The cubic root of 8226505231 is about 2018.7000451351.

The spelling of 8226505231 in words is "eight billion, two hundred twenty-six million, five hundred five thousand, two hundred thirty-one".