225401443231 has 8 divisors (see below), whose sum is σ = 226588752000. Its totient is φ = 224214681240.

The previous prime is 225401443229. The next prime is 225401443249. The reversal of 225401443231 is 132344104522.

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

It is a cyclic number.

It is not a de Polignac number, because 225401443231 - 2¹ = 225401443229 is a prime.

It is a super-2 number, since 2×225401443231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225401443193 and 225401443202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225401443031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703500 + ... + 972478.

It is an arithmetic number, because the mean of its divisors is an integer number (28323594000).

Almost surely, 2^225401443231 is an apocalyptic number.

225401443231 is a deficient number, since it is larger than the sum of its proper divisors (1187308769).

225401443231 is a wasteful number, since it uses less digits than its factorization.

225401443231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273389.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 225401443231 its reverse (132344104522), we get a palindrome (357745547753).

The spelling of 225401443231 in words is "two hundred twenty-five billion, four hundred one million, four hundred forty-three thousand, two hundred thirty-one".