1223355275 has 24 divisors (see below), whose sum is σ = 1636529184. Its totient is φ = 903718400.

The previous prime is 1223355271. The next prime is 1223355293. The reversal of 1223355275 is 5725533221.

It is not a de Polignac number, because 1223355275 - 2² = 1223355271 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223355271) 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 23 ways as a sum of consecutive naturals, for example, 4631 + ... + 49680.

It is an arithmetic number, because the mean of its divisors is an integer number (68188716).

Almost surely, 2^1223355275 is an apocalyptic number.

1223355275 is a deficient number, since it is larger than the sum of its proper divisors (413173909).

1223355275 is a wasteful number, since it uses less digits than its factorization.

1223355275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54391 (or 54386 counting only the distinct ones).

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

The square root of 1223355275 is about 34976.4960366244. The cubic root of 1223355275 is about 1069.5083993811.

Adding to 1223355275 its reverse (5725533221), we get a palindrome (6948888496).

The spelling of 1223355275 in words is "one billion, two hundred twenty-three million, three hundred fifty-five thousand, two hundred seventy-five".