1132222312 has 64 divisors (see below), whose sum is σ = 2437344000. Its totient is φ = 488726784.

The previous prime is 1132222307. The next prime is 1132222327. The reversal of 1132222312 is 2132222311.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1132222312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152478 + ... + 159730.

It is an arithmetic number, because the mean of its divisors is an integer number (38083500).

Almost surely, 2^1132222312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1132222312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1218672000).

1132222312 is an abundant number, since it is smaller than the sum of its proper divisors (1305121688).

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

1132222312 is a wasteful number, since it uses less digits than its factorization.

1132222312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7370 (or 7366 counting only the distinct ones).

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

The square root of 1132222312 is about 33648.5112895058. The cubic root of 1132222312 is about 1042.2627974687.

Adding to 1132222312 its reverse (2132222311), we get a palindrome (3264444623).

Subtracting 1132222312 from its reverse (2132222311), we obtain a palindrome (999999999).

The spelling of 1132222312 in words is "one billion, one hundred thirty-two million, two hundred twenty-two thousand, three hundred twelve".