1132312222 has 4 divisors (see below), whose sum is σ = 1698468336. Its totient is φ = 566156110.

The previous prime is 1132312213. The next prime is 1132312229. The reversal of 1132312222 is 2222132311.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1132312222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132312229) 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 as a sum of consecutive naturals, namely, 283078054 + ... + 283078057.

It is an arithmetic number, because the mean of its divisors is an integer number (424617084).

Almost surely, 2^1132312222 is an apocalyptic number.

1132312222 is a deficient number, since it is larger than the sum of its proper divisors (566156114).

1132312222 is an equidigital number, since it uses as much as digits as its factorization.

1132312222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566156113.

The product of its digits is 288, while the sum is 19.

The square root of 1132312222 is about 33649.8472804855. The cubic root of 1132312222 is about 1042.2903855041.

Adding to 1132312222 its reverse (2222132311), we get a palindrome (3354444533).

The spelling of 1132312222 in words is "one billion, one hundred thirty-two million, three hundred twelve thousand, two hundred twenty-two".