8652952221 has 32 divisors (see below), whose sum is σ = 12312588288. Its totient is φ = 5396267520.

The previous prime is 8652952207. The next prime is 8652952237. The reversal of 8652952221 is 1222592568.

It is not a de Polignac number, because 8652952221 - 2¹³ = 8652944029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8652952261) 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, 376750 + ... + 399056.

It is an arithmetic number, because the mean of its divisors is an integer number (384768384).

Almost surely, 2^8652952221 is an apocalyptic number.

It is an amenable number.

8652952221 is a deficient number, since it is larger than the sum of its proper divisors (3659636067).

8652952221 is a wasteful number, since it uses less digits than its factorization.

8652952221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22481.

The product of its digits is 172800, while the sum is 42.

The square root of 8652952221 is about 93021.2460731418. The cubic root of 8652952221 is about 2052.9959938004.

The spelling of 8652952221 in words is "eight billion, six hundred fifty-two million, nine hundred fifty-two thousand, two hundred twenty-one".