225251508 has 12 divisors (see below), whose sum is σ = 525586880. Its totient is φ = 75083832.

The previous prime is 225251503. The next prime is 225251519. The reversal of 225251508 is 805152522.

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 (225251503) 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, 9385468 + ... + 9385491.

Almost surely, 2^225251508 is an apocalyptic number.

It is an amenable number.

225251508 is an abundant number, since it is smaller than the sum of its proper divisors (300335372).

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

225251508 is a wasteful number, since it uses less digits than its factorization.

225251508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18770966 (or 18770964 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 225251508 is about 15008.3812584835. The cubic root of 225251508 is about 608.4467407176.

The spelling of 225251508 in words is "two hundred twenty-five million, two hundred fifty-one thousand, five hundred eight".