1223255396 has 24 divisors (see below), whose sum is σ = 2338199136. Its totient is φ = 555336320.

The previous prime is 1223255347. The next prime is 1223255399. The reversal of 1223255396 is 6935523221.

It is not an unprimeable number, because it can be changed into a prime (1223255399) 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, 19580 + ... + 53196.

It is an arithmetic number, because the mean of its divisors is an integer number (97424964).

Almost surely, 2^1223255396 is an apocalyptic number.

It is an amenable number.

1223255396 is a deficient number, since it is larger than the sum of its proper divisors (1114943740).

1223255396 is a wasteful number, since it uses less digits than its factorization.

1223255396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34459 (or 34457 counting only the distinct ones).

The product of its digits is 97200, while the sum is 38.

The square root of 1223255396 is about 34975.0682057948. The cubic root of 1223255396 is about 1069.4792924545.

It can be divided in two parts, 122325 and 5396, that added together give a palindrome (127721).

The spelling of 1223255396 in words is "one billion, two hundred twenty-three million, two hundred fifty-five thousand, three hundred ninety-six".