8220754213 has 4 divisors (see below), whose sum is σ = 9395147680. Its totient is φ = 7046360748.

The previous prime is 8220754153. The next prime is 8220754229. The reversal of 8220754213 is 3124570228.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8220754213 - 2¹³ = 8220746021 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 (8220754013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587196723 + ... + 587196736.

It is an arithmetic number, because the mean of its divisors is an integer number (2348786920).

Almost surely, 2^8220754213 is an apocalyptic number.

It is an amenable number.

8220754213 is a deficient number, since it is larger than the sum of its proper divisors (1174393467).

8220754213 is a wasteful number, since it uses less digits than its factorization.

8220754213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174393466.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 8220754213 is about 90668.3749330493. The cubic root of 8220754213 is about 2018.2295218538.

The spelling of 8220754213 in words is "eight billion, two hundred twenty million, seven hundred fifty-four thousand, two hundred thirteen".