225501492 has 12 divisors (see below), whose sum is σ = 526170176. Its totient is φ = 75167160.

The previous prime is 225501491. The next prime is 225501511. The reversal of 225501492 is 294105522.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225501491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9395884 + ... + 9395907.

Almost surely, 2^225501492 is an apocalyptic number.

It is an amenable number.

225501492 is an abundant number, since it is smaller than the sum of its proper divisors (300668684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225501492 is a wasteful number, since it uses less digits than its factorization.

225501492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18791798 (or 18791796 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 225501492 is about 15016.7070957650. The cubic root of 225501492 is about 608.6717421223.

It can be divided in two parts, 22550 and 1492, that added together give a palindrome (24042).

The spelling of 225501492 in words is "two hundred twenty-five million, five hundred one thousand, four hundred ninety-two".