1222332231 has 8 divisors (see below), whose sum is σ = 1630646640. Its totient is φ = 814452992.

The previous prime is 1222332203. The next prime is 1222332239. The reversal of 1222332231 is 1322332221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222332231 - 2¹⁰ = 1222331207 is a prime.

It is a super-2 number, since 2×1222332231² = 2988192165882874722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1222332198 and 1222332207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222332239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102180 + ... + 113513.

It is an arithmetic number, because the mean of its divisors is an integer number (203830830).

Almost surely, 2^1222332231 is an apocalyptic number.

1222332231 is a deficient number, since it is larger than the sum of its proper divisors (408314409).

1222332231 is a wasteful number, since it uses less digits than its factorization.

1222332231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217585.

The product of its digits is 864, while the sum is 21.

The square root of 1222332231 is about 34961.8682424152. The cubic root of 1222332231 is about 1069.2101869391.

Adding to 1222332231 its reverse (1322332221), we get a palindrome (2544664452).

The spelling of 1222332231 in words is "one billion, two hundred twenty-two million, three hundred thirty-two thousand, two hundred thirty-one".