13233232225 has 24 divisors (see below), whose sum is σ = 17844056568. Its totient is φ = 9694540800.

The previous prime is 13233232153. The next prime is 13233232247. The reversal of 13233232225 is 52223233231.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 259338816 + 12973893409 = 16104^2 + 113903^2 .

It is not a de Polignac number, because 13233232225 - 2¹³ = 13233224033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13233232193 and 13233232202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 405046 + ... + 436495.

It is an arithmetic number, because the mean of its divisors is an integer number (743502357).

Almost surely, 2^13233232225 is an apocalyptic number.

It is an amenable number.

13233232225 is a deficient number, since it is larger than the sum of its proper divisors (4610824343).

13233232225 is a wasteful number, since it uses less digits than its factorization.

13233232225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841605 (or 841600 counting only the distinct ones).

The product of its digits is 12960, while the sum is 28.

Adding to 13233232225 its reverse (52223233231), we get a palindrome (65456465456).

The spelling of 13233232225 in words is "thirteen billion, two hundred thirty-three million, two hundred thirty-two thousand, two hundred twenty-five".