8227205311 has 4 divisors (see below), whose sum is σ = 8860067272. Its totient is φ = 7594343352.

The previous prime is 8227205299. The next prime is 8227205341. The reversal of 8227205311 is 1135027228.

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 8227205311 - 2⁵ = 8227205279 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 (8227205341) 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, 316430961 + ... + 316430986.

It is an arithmetic number, because the mean of its divisors is an integer number (2215016818).

Almost surely, 2^8227205311 is an apocalyptic number.

8227205311 is a deficient number, since it is larger than the sum of its proper divisors (632861961).

8227205311 is a wasteful number, since it uses less digits than its factorization.

8227205311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632861960.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 8227205311 is about 90703.9431943287. The cubic root of 8227205311 is about 2018.7573076624.

The spelling of 8227205311 in words is "eight billion, two hundred twenty-seven million, two hundred five thousand, three hundred eleven".