1122165331 has 8 divisors (see below), whose sum is σ = 1338234624. Its totient is φ = 920036040.

The previous prime is 1122165313. The next prime is 1122165347. The reversal of 1122165331 is 1335612211.

It is a happy number.

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

It is not a de Polignac number, because 1122165331 - 2⁹ = 1122164819 is a prime.

It is a super-2 number, since 2×1122165331² = 2518510060196679122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122165296 and 1122165305.

It is not an unprimeable number, because it can be changed into a prime (1122168331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3484825 + ... + 3485146.

It is an arithmetic number, because the mean of its divisors is an integer number (167279328).

Almost surely, 2^1122165331 is an apocalyptic number.

1122165331 is a deficient number, since it is larger than the sum of its proper divisors (216069293).

1122165331 is an equidigital number, since it uses as much as digits as its factorization.

1122165331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6970001.

The product of its digits is 1080, while the sum is 25.

The square root of 1122165331 is about 33498.7362597457. The cubic root of 1122165331 is about 1039.1676436104.

Adding to 1122165331 its reverse (1335612211), we get a palindrome (2457777542).

The spelling of 1122165331 in words is "one billion, one hundred twenty-two million, one hundred sixty-five thousand, three hundred thirty-one".