1223314531225 has 12 divisors (see below), whose sum is σ = 1518292833084. Its totient is φ = 977759486720.

The previous prime is 1223314531217. The next prime is 1223314531247. The reversal of 1223314531225 is 5221354133221.

It can be written as a sum of positive squares in 6 ways, for example, as 133572706576 + 1089741824649 = 365476^2 + 1043907^2 .

It is not a de Polignac number, because 1223314531225 - 2³ = 1223314531217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22275484 + ... + 22330333.

It is an arithmetic number, because the mean of its divisors is an integer number (126524402757).

Almost surely, 2^{1223314531225} is an apocalyptic number.

It is an amenable number.

1223314531225 is a deficient number, since it is larger than the sum of its proper divisors (294978301859).

1223314531225 is a wasteful number, since it uses less digits than its factorization.

1223314531225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44606924 (or 44606919 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

Adding to 1223314531225 its reverse (5221354133221), we get a palindrome (6444668664446).

The spelling of 1223314531225 in words is "one trillion, two hundred twenty-three billion, three hundred fourteen million, five hundred thirty-one thousand, two hundred twenty-five".