1223131325 has 24 divisors (see below), whose sum is σ = 1654060800. Its totient is φ = 891783360.

The previous prime is 1223131321. The next prime is 1223131331. The reversal of 1223131325 is 5231313221.

It is not a de Polignac number, because 1223131325 - 2² = 1223131321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1223131325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223131321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1856 + ... + 49494.

It is an arithmetic number, because the mean of its divisors is an integer number (68919200).

Almost surely, 2^1223131325 is an apocalyptic number.

It is an amenable number.

1223131325 is a deficient number, since it is larger than the sum of its proper divisors (430929475).

1223131325 is a wasteful number, since it uses less digits than its factorization.

1223131325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47741 (or 47736 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 1223131325 is about 34973.2944544834. The cubic root of 1223131325 is about 1069.4431332430.

Adding to 1223131325 its reverse (5231313221), we get a palindrome (6454444546).

The spelling of 1223131325 in words is "one billion, two hundred twenty-three million, one hundred thirty-one thousand, three hundred twenty-five".