225025224431 has 8 divisors (see below), whose sum is σ = 262420087200. Its totient is φ = 192878763504.

The previous prime is 225025224373. The next prime is 225025224481. The reversal of 225025224431 is 134422520522.

It is not a de Polignac number, because 225025224431 - 2¹⁸ = 225024962287 is a prime.

It is a super-2 number, since 2×225025224431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225025224481) 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, 328024766 + ... + 328025451.

It is an arithmetic number, because the mean of its divisors is an integer number (32802510900).

Almost surely, 2^225025224431 is an apocalyptic number.

225025224431 is a deficient number, since it is larger than the sum of its proper divisors (37394862769).

225025224431 is an frugal number, since it uses more digits than its factorization.

225025224431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656050238 (or 656050224 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 225025224431 its reverse (134422520522), we get a palindrome (359447744953).

The spelling of 225025224431 in words is "two hundred twenty-five billion, twenty-five million, two hundred twenty-four thousand, four hundred thirty-one".