8221523301 has 32 divisors (see below), whose sum is σ = 12373432320. Its totient is φ = 5394142512.

The previous prime is 8221523279. The next prime is 8221523333. The reversal of 8221523301 is 1033251228.

It is not a de Polignac number, because 8221523301 - 2¹⁵ = 8221490533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8221523201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3730866 + ... + 3733068.

It is an arithmetic number, because the mean of its divisors is an integer number (386669760).

Almost surely, 2^8221523301 is an apocalyptic number.

It is an amenable number.

8221523301 is a deficient number, since it is larger than the sum of its proper divisors (4151909019).

8221523301 is a wasteful number, since it uses less digits than its factorization.

8221523301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4342 (or 4336 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 8221523301 is about 90672.6160480660. The cubic root of 8221523301 is about 2018.2924579975.

Adding to 8221523301 its reverse (1033251228), we get a palindrome (9254774529).

The spelling of 8221523301 in words is "eight billion, two hundred twenty-one million, five hundred twenty-three thousand, three hundred one".