225251516 has 12 divisors (see below), whose sum is σ = 450503088. Its totient is φ = 96536352.

The previous prime is 225251503. The next prime is 225251519. The reversal of 225251516 is 615152522.

225251516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

225251516 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225251519) 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, 4022321 + ... + 4022376.

It is an arithmetic number, because the mean of its divisors is an integer number (37541924).

Almost surely, 2^225251516 is an apocalyptic number.

It is an amenable number.

225251516 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

225251516 is a wasteful number, since it uses less digits than its factorization.

225251516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8044708 (or 8044706 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 225251516 is about 15008.3815250013. The cubic root of 225251516 is about 608.4467479208.

The spelling of 225251516 in words is "two hundred twenty-five million, two hundred fifty-one thousand, five hundred sixteen".