853221367 has 4 divisors (see below), whose sum is σ = 858656056. Its totient is φ = 847786680.

The previous prime is 853221331. The next prime is 853221377. The reversal of 853221367 is 763122358.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 853221367 - 2¹¹ = 853219319 is a prime.

It is a super-2 number, since 2×853221367² = 1455973402210697378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853221307) 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, 2717109 + ... + 2717422.

It is an arithmetic number, because the mean of its divisors is an integer number (214664014).

Almost surely, 2^853221367 is an apocalyptic number.

853221367 is a deficient number, since it is larger than the sum of its proper divisors (5434689).

853221367 is a wasteful number, since it uses less digits than its factorization.

853221367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5434688.

The product of its digits is 60480, while the sum is 37.

The square root of 853221367 is about 29209.9532180385. The cubic root of 853221367 is about 948.4633947681.

Subtracting from 853221367 its reverse (763122358), we obtain a palindrome (90099009).

The spelling of 853221367 in words is "eight hundred fifty-three million, two hundred twenty-one thousand, three hundred sixty-seven".