1322203231 has 6 divisors (see below), whose sum is σ = 1382190320. Its totient is φ = 1264715628.

The previous prime is 1322203199. The next prime is 1322203247. The reversal of 1322203231 is 1323022231.

It is not a de Polignac number, because 1322203231 - 2⁵ = 1322203199 is a prime.

It is a super-2 number, since 2×1322203231² = 3496442768133678722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322203199 and 1322203208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322203261) 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 5 ways as a sum of consecutive naturals, for example, 1249191 + ... + 1250248.

Almost surely, 2^1322203231 is an apocalyptic number.

1322203231 is a deficient number, since it is larger than the sum of its proper divisors (59987089).

1322203231 is an equidigital number, since it uses as much as digits as its factorization.

1322203231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499485 (or 2499462 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1322203231 is about 36362.1125761417. The cubic root of 1322203231 is about 1097.5712892085.

Adding to 1322203231 its reverse (1323022231), we get a palindrome (2645225462).

The spelling of 1322203231 in words is "one billion, three hundred twenty-two million, two hundred three thousand, two hundred thirty-one".