1131343222 has 8 divisors (see below), whose sum is σ = 1698492672. Its totient is φ = 565179000.

The previous prime is 1131343219. The next prime is 1131343261. The reversal of 1131343222 is 2223431311.

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

It is a junction number, because it is equal to n+sod(n) for n = 1131343193 and 1131343202.

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 3 ways as a sum of consecutive naturals, for example, 243429 + ... + 248032.

It is an arithmetic number, because the mean of its divisors is an integer number (212311584).

Almost surely, 2^1131343222 is an apocalyptic number.

1131343222 is a deficient number, since it is larger than the sum of its proper divisors (567149450).

1131343222 is a wasteful number, since it uses less digits than its factorization.

1131343222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492614.

The product of its digits is 864, while the sum is 22.

The square root of 1131343222 is about 33635.4459164733. The cubic root of 1131343222 is about 1041.9929800110.

Adding to 1131343222 its reverse (2223431311), we get a palindrome (3354774533).

The spelling of 1131343222 in words is "one billion, one hundred thirty-one million, three hundred forty-three thousand, two hundred twenty-two".