8255221023 has 16 divisors (see below), whose sum is σ = 13241457920. Its totient is φ = 4468991616.

The previous prime is 8255221003. The next prime is 8255221027. The reversal of 8255221023 is 3201225528.

It is not a de Polignac number, because 8255221023 - 2⁶ = 8255220959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8255221027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10344490 + ... + 10345287.

It is an arithmetic number, because the mean of its divisors is an integer number (827591120).

Almost surely, 2^8255221023 is an apocalyptic number.

8255221023 is a deficient number, since it is larger than the sum of its proper divisors (4986236897).

8255221023 is a wasteful number, since it uses less digits than its factorization.

8255221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20689806.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 8255221023 is about 90858.2468629018. The cubic root of 8255221023 is about 2021.0461710733.

The spelling of 8255221023 in words is "eight billion, two hundred fifty-five million, two hundred twenty-one thousand, twenty-three".