8221701 has 4 divisors (see below), whose sum is σ = 10962272. Its totient is φ = 5481132.

The previous prime is 8221669. The next prime is 8221721. The reversal of 8221701 is 1071228.

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 8221701 - 2⁵ = 8221669 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 (8221721) 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, 1370281 + ... + 1370286.

It is an arithmetic number, because the mean of its divisors is an integer number (2740568).

Almost surely, 2^8221701 is an apocalyptic number.

It is an amenable number.

8221701 is a deficient number, since it is larger than the sum of its proper divisors (2740571).

8221701 is a wasteful number, since it uses less digits than its factorization.

8221701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740570.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 8221701 is about 2867.3508679616. The cubic root of 8221701 is about 201.8306998935.

Adding to 8221701 its reverse (1071228), we get a palindrome (9292929).

The spelling of 8221701 in words is "eight million, two hundred twenty-one thousand, seven hundred one".