1234444230225 has 30 divisors (see below), whose sum is σ = 2286617439590. Its totient is φ = 658370255040.

The previous prime is 1234444230223. The next prime is 1234444230247. The reversal of 1234444230225 is 5220324444321.

1234444230225 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 4 + 4 + 423 + 0 + 225 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 374180560209 + 860263670016 = 611703^2 + 927504^2 .

It is not a de Polignac number, because 1234444230225 - 2¹ = 1234444230223 is a prime.

It is a super-3 number, since 3×1234444230225³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1234444230225.

It is not an unprimeable number, because it can be changed into a prime (1234444230223) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 304799020 + ... + 304803069.

Almost surely, 2^{1234444230225} is an apocalyptic number.

1234444230225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1234444230225 is a deficient number, since it is larger than the sum of its proper divisors (1052173209365).

1234444230225 is an equidigital number, since it uses as much as digits as its factorization.

1234444230225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609602111 (or 609602097 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 1234444230225 its reverse (5220324444321), we get a palindrome (6454768674546).

The spelling of 1234444230225 in words is "one trillion, two hundred thirty-four billion, four hundred forty-four million, two hundred thirty thousand, two hundred twenty-five".