853222097531 has 4 divisors (see below), whose sum is σ = 882643549200. Its totient is φ = 823800645864.

The previous prime is 853222097527. The next prime is 853222097543. The reversal of 853222097531 is 135790222358.

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 853222097531 - 2² = 853222097527 is a prime.

It is a super-2 number, since 2×853222097531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853222097131) 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, 14710725791 + ... + 14710725848.

It is an arithmetic number, because the mean of its divisors is an integer number (220660887300).

Almost surely, 2^853222097531 is an apocalyptic number.

853222097531 is a deficient number, since it is larger than the sum of its proper divisors (29421451669).

853222097531 is a wasteful number, since it uses less digits than its factorization.

853222097531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29421451668.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 853222097531 in words is "eight hundred fifty-three billion, two hundred twenty-two million, ninety-seven thousand, five hundred thirty-one".