1145222332 has 48 divisors (see below), whose sum is σ = 2118493440. Its totient is φ = 541116800.

The previous prime is 1145222263. The next prime is 1145222333. The reversal of 1145222332 is 2332225411.

It is a junction number, because it is equal to n+sod(n) for n = 1145222297 and 1145222306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145222333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686163 + ... + 687829.

It is an arithmetic number, because the mean of its divisors is an integer number (44135280).

Almost surely, 2^1145222332 is an apocalyptic number.

It is an amenable number.

1145222332 is a deficient number, since it is larger than the sum of its proper divisors (973271108).

1145222332 is a wasteful number, since it uses less digits than its factorization.

1145222332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842 (or 1840 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 1145222332 is about 33841.1337280535. The cubic root of 1145222332 is about 1046.2366660162.

Adding to 1145222332 its reverse (2332225411), we get a palindrome (3477447743).

The spelling of 1145222332 in words is "one billion, one hundred forty-five million, two hundred twenty-two thousand, three hundred thirty-two".