1122332161 has 12 divisors (see below), whose sum is σ = 1182121200. Its totient is φ = 1065217328.

The previous prime is 1122332119. The next prime is 1122332171. The reversal of 1122332161 is 1612332211.

It is a happy number.

It is not a de Polignac number, because 1122332161 - 2¹¹ = 1122330113 is a prime.

It is a super-2 number, since 2×1122332161² = 2519258959229859842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1122332171) 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 11 ways as a sum of consecutive naturals, for example, 38310 + ... + 60928.

It is an arithmetic number, because the mean of its divisors is an integer number (98510100).

Almost surely, 2^1122332161 is an apocalyptic number.

It is an amenable number.

1122332161 is a deficient number, since it is larger than the sum of its proper divisors (59789039).

1122332161 is an equidigital number, since it uses as much as digits as its factorization.

1122332161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22736 (or 22707 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 1122332161 is about 33501.2262611386. The cubic root of 1122332161 is about 1039.2191380271.

Adding to 1122332161 its reverse (1612332211), we get a palindrome (2734664372).

The spelling of 1122332161 in words is "one billion, one hundred twenty-two million, three hundred thirty-two thousand, one hundred sixty-one".