225205314237 has 12 divisors (see below), whose sum is σ = 329215801824. Its totient is φ = 148327997640.

The previous prime is 225205314211. The next prime is 225205314247. The reversal of 225205314237 is 732413502522.

225205314237 is a `hidden beast` number, since 2 + 2 + 52 + 0 + 531 + 42 + 37 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-225205314237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225205314247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150739089 + ... + 150740582.

It is an arithmetic number, because the mean of its divisors is an integer number (27434650152).

Almost surely, 2^225205314237 is an apocalyptic number.

It is an amenable number.

225205314237 is a deficient number, since it is larger than the sum of its proper divisors (104010487587).

225205314237 is a wasteful number, since it uses less digits than its factorization.

225205314237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301479760 (or 301479757 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

Adding to 225205314237 its reverse (732413502522), we get a palindrome (957618816759).

The spelling of 225205314237 in words is "two hundred twenty-five billion, two hundred five million, three hundred fourteen thousand, two hundred thirty-seven".