852622321 has 4 divisors (see below), whose sum is σ = 897497200. Its totient is φ = 807747444.

The previous prime is 852622297. The next prime is 852622333. The reversal of 852622321 is 123226258.

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 a cyclic number.

It is not a de Polignac number, because 852622321 - 2¹¹ = 852620273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (852622021) 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, 22437411 + ... + 22437448.

It is an arithmetic number, because the mean of its divisors is an integer number (224374300).

Almost surely, 2^852622321 is an apocalyptic number.

It is an amenable number.

852622321 is a deficient number, since it is larger than the sum of its proper divisors (44874879).

852622321 is a wasteful number, since it uses less digits than its factorization.

852622321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44874878.

The product of its digits is 11520, while the sum is 31.

The square root of 852622321 is about 29199.6972758280. The cubic root of 852622321 is about 948.2413710167.

Adding to 852622321 its reverse (123226258), we get a palindrome (975848579).

The spelling of 852622321 in words is "eight hundred fifty-two million, six hundred twenty-two thousand, three hundred twenty-one".