1243332222 has 32 divisors (see below), whose sum is σ = 2855502720. Its totient is φ = 356937120.

The previous prime is 1243332197. The next prime is 1243332269. The reversal of 1243332222 is 2222333421.

It is a junction number, because it is equal to n+sod(n) for n = 1243332192 and 1243332201.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 494493 + ... + 497000.

It is an arithmetic number, because the mean of its divisors is an integer number (89234460).

Almost surely, 2^1243332222 is an apocalyptic number.

1243332222 is an abundant number, since it is smaller than the sum of its proper divisors (1612170498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1243332222 is a wasteful number, since it uses less digits than its factorization.

1243332222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991528.

The product of its digits is 3456, while the sum is 24.

The square root of 1243332222 is about 35260.9163522447. The cubic root of 1243332222 is about 1075.2985569163.

Adding to 1243332222 its reverse (2222333421), we get a palindrome (3465665643).

The spelling of 1243332222 in words is "one billion, two hundred forty-three million, three hundred thirty-two thousand, two hundred twenty-two".