1322352231 has 4 divisors (see below), whose sum is σ = 1763136312. Its totient is φ = 881568152.

The previous prime is 1322352221. The next prime is 1322352233. The reversal of 1322352231 is 1322532231.

It is a happy number.

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 1322352231 - 2⁶ = 1322352167 is a prime.

It is a super-2 number, since 2×1322352231² = 3497230845661354722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322352233) 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, 220392036 + ... + 220392041.

It is an arithmetic number, because the mean of its divisors is an integer number (440784078).

Almost surely, 2^1322352231 is an apocalyptic number.

1322352231 is a deficient number, since it is larger than the sum of its proper divisors (440784081).

1322352231 is an equidigital number, since it uses as much as digits as its factorization.

1322352231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440784080.

The product of its digits is 2160, while the sum is 24.

The square root of 1322352231 is about 36364.1613542785. The cubic root of 1322352231 is about 1097.6125163501.

Adding to 1322352231 its reverse (1322532231), we get a palindrome (2644884462).

The spelling of 1322352231 in words is "one billion, three hundred twenty-two million, three hundred fifty-two thousand, two hundred thirty-one".