225442463 has 4 divisors (see below), whose sum is σ = 225474480. Its totient is φ = 225410448.

The previous prime is 225442417. The next prime is 225442493. The reversal of 225442463 is 364244522.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 364244522 = 2 ⋅182122261.

It is a cyclic number.

It is not a de Polignac number, because 225442463 - 2⁸ = 225442207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225442493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323 + ... + 21236.

It is an arithmetic number, because the mean of its divisors is an integer number (56368620).

Almost surely, 2^225442463 is an apocalyptic number.

225442463 is a deficient number, since it is larger than the sum of its proper divisors (32017).

225442463 is a wasteful number, since it uses less digits than its factorization.

225442463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32016.

The product of its digits is 46080, while the sum is 32.

The square root of 225442463 is about 15014.7415229167. The cubic root of 225442463 is about 608.6186272930.

Adding to 225442463 its reverse (364244522), we get a palindrome (589686985).

The spelling of 225442463 in words is "two hundred twenty-five million, four hundred forty-two thousand, four hundred sixty-three".