1223275535 has 16 divisors (see below), whose sum is σ = 1520259840. Its totient is φ = 943810560.

The previous prime is 1223275523. The next prime is 1223275589. The reversal of 1223275535 is 5355723221.

It is not a de Polignac number, because 1223275535 - 2⁴ = 1223275519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1223275495 and 1223275504.

It is a congruent number.

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, 139439 + ... + 147951.

It is an arithmetic number, because the mean of its divisors is an integer number (95016240).

Almost surely, 2^1223275535 is an apocalyptic number.

1223275535 is a deficient number, since it is larger than the sum of its proper divisors (296984305).

1223275535 is an equidigital number, since it uses as much as digits as its factorization.

1223275535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9538.

The product of its digits is 63000, while the sum is 35.

The square root of 1223275535 is about 34975.3561096953. The cubic root of 1223275535 is about 1069.4851615274.

Adding to 1223275535 its reverse (5355723221), we get a palindrome (6578998756).

The spelling of 1223275535 in words is "one billion, two hundred twenty-three million, two hundred seventy-five thousand, five hundred thirty-five".