225401464 has 8 divisors (see below), whose sum is σ = 422627760. Its totient is φ = 112700728.

The previous prime is 225401459. The next prime is 225401497. The reversal of 225401464 is 464104522.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14087584 + ... + 14087599.

It is an arithmetic number, because the mean of its divisors is an integer number (52828470).

Almost surely, 2^225401464 is an apocalyptic number.

It is an amenable number.

225401464 is a deficient number, since it is larger than the sum of its proper divisors (197226296).

225401464 is a wasteful number, since it uses less digits than its factorization.

225401464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28175189 (or 28175185 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 225401464 is about 15013.3761692699. The cubic root of 225401464 is about 608.5817305648.

Adding to 225401464 its reverse (464104522), we get a palindrome (689505986).

The spelling of 225401464 in words is "two hundred twenty-five million, four hundred one thousand, four hundred sixty-four".