225351624433 has 8 divisors (see below), whose sum is σ = 243461724968. Its totient is φ = 207352289664.

The previous prime is 225351624397. The next prime is 225351624451. The reversal of 225351624433 is 334426153522.

It can be written as a sum of positive squares in 4 ways, for example, as 8217059904 + 217134564529 = 90648^2 + 465977^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-225351624433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225351628433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27687210 + ... + 27695347.

It is an arithmetic number, because the mean of its divisors is an integer number (30432715621).

Almost surely, 2^225351624433 is an apocalyptic number.

It is an amenable number.

225351624433 is a deficient number, since it is larger than the sum of its proper divisors (18110100535).

225351624433 is a wasteful number, since it uses less digits than its factorization.

225351624433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55382883.

The product of its digits is 518400, while the sum is 40.

Adding to 225351624433 its reverse (334426153522), we get a palindrome (559777777955).

The spelling of 225351624433 in words is "two hundred twenty-five billion, three hundred fifty-one million, six hundred twenty-four thousand, four hundred thirty-three".