1230222231 has 24 divisors (see below), whose sum is σ = 2032677504. Its totient is φ = 702349200.

The previous prime is 1230222211. The next prime is 1230222239. The reversal of 1230222231 is 1322220321.

It is not a de Polignac number, because 1230222231 - 2⁵ = 1230222199 is a prime.

It is a super-2 number, since 2×1230222231² = 3026893475293234722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230222239) 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 23 ways as a sum of consecutive naturals, for example, 66556 + ... + 83006.

It is an arithmetic number, because the mean of its divisors is an integer number (84694896).

Almost surely, 2^1230222231 is an apocalyptic number.

1230222231 is a deficient number, since it is larger than the sum of its proper divisors (802455273).

1230222231 is a wasteful number, since it uses less digits than its factorization.

1230222231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17651 (or 17648 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1230222231 is about 35074.5239597061. The cubic root of 1230222231 is about 1071.5057935732.

Adding to 1230222231 its reverse (1322220321), we get a palindrome (2552442552).

The spelling of 1230222231 in words is "one billion, two hundred thirty million, two hundred twenty-two thousand, two hundred thirty-one".