1105522331 has 4 divisors (see below), whose sum is σ = 1107010992. Its totient is φ = 1104033672.

The previous prime is 1105522321. The next prime is 1105522333. The reversal of 1105522331 is 1332255011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1332255011 = 53 ⋅25136887.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1105522331 is a prime.

It is a super-2 number, since 2×1105522331² = 2444359248679347122, 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 = 1105522297 and 1105522306.

It is not an unprimeable number, because it can be changed into a prime (1105522333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743216 + ... + 744701.

It is an arithmetic number, because the mean of its divisors is an integer number (276752748).

Almost surely, 2^1105522331 is an apocalyptic number.

1105522331 is a deficient number, since it is larger than the sum of its proper divisors (1488661).

1105522331 is an equidigital number, since it uses as much as digits as its factorization.

1105522331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488660.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1105522331 is about 33249.3959494003. The cubic root of 1105522331 is about 1034.0046849826.

Adding to 1105522331 its reverse (1332255011), we get a palindrome (2437777342).

The spelling of 1105522331 in words is "one billion, one hundred five million, five hundred twenty-two thousand, three hundred thirty-one".