225235120331 has 8 divisors (see below), whose sum is σ = 242577624240. Its totient is φ = 207895005792.

The previous prime is 225235120259. The next prime is 225235120349. The reversal of 225235120331 is 133021532522.

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-225235120331 is a prime.

It is a super-2 number, since 2×225235120331² (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 = 225235120294 and 225235120303.

It is not an unprimeable number, because it can be changed into a prime (225235120391) 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, 399116 + ... + 780873.

It is an arithmetic number, because the mean of its divisors is an integer number (30322203030).

Almost surely, 2^225235120331 is an apocalyptic number.

225235120331 is a deficient number, since it is larger than the sum of its proper divisors (17342503909).

225235120331 is a wasteful number, since it uses less digits than its factorization.

225235120331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194685.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 225235120331 its reverse (133021532522), we get a palindrome (358256652853).

The spelling of 225235120331 in words is "two hundred twenty-five billion, two hundred thirty-five million, one hundred twenty thousand, three hundred thirty-one".