8256291226 has 4 divisors (see below), whose sum is σ = 12384436842. Its totient is φ = 4128145612.

The previous prime is 8256291221. The next prime is 8256291233. The reversal of 8256291226 is 6221926528.

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

It can be written as a sum of positive squares in only one way, i.e., 8253904201 + 2387025 = 90851^2 + 1545^2 .

It is a super-3 number, since 3×8256291226³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (8256291221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2064072805 + ... + 2064072808.

Almost surely, 2^8256291226 is an apocalyptic number.

8256291226 is a deficient number, since it is larger than the sum of its proper divisors (4128145616).

8256291226 is a wasteful number, since it uses less digits than its factorization.

8256291226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4128145615.

The product of its digits is 207360, while the sum is 43.

The square root of 8256291226 is about 90864.1360823950. The cubic root of 8256291226 is about 2021.1335031270.

The spelling of 8256291226 in words is "eight billion, two hundred fifty-six million, two hundred ninety-one thousand, two hundred twenty-six".