225330522544213 has 8 divisors (see below), whose sum is σ = 225490371514200. Its totient is φ = 225170677210368.

The previous prime is 225330522544189. The next prime is 225330522544249. The reversal of 225330522544213 is 312445225033522.

It can be written as a sum of positive squares in 4 ways, for example, as 132778561069764 + 92551961474449 = 11522958^2 + 9620393^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225330522544213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225330522544213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225330522944213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129725103 + ... + 131450611.

It is an arithmetic number, because the mean of its divisors is an integer number (28186296439275).

Almost surely, 2^{225330522544213} is an apocalyptic number.

It is an amenable number.

225330522544213 is a deficient number, since it is larger than the sum of its proper divisors (159848969987).

225330522544213 is a wasteful number, since it uses less digits than its factorization.

225330522544213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818071.

The product of its (nonzero) digits is 1728000, while the sum is 43.

Adding to 225330522544213 its reverse (312445225033522), we get a palindrome (537775747577735).

The spelling of 225330522544213 in words is "two hundred twenty-five trillion, three hundred thirty billion, five hundred twenty-two million, five hundred forty-four thousand, two hundred thirteen".