225505516 has 6 divisors (see below), whose sum is σ = 394634660. Its totient is φ = 112752756.

The previous prime is 225505507. The next prime is 225505519. The reversal of 225505516 is 615505522.

It is not an unprimeable number, because it can be changed into a prime (225505519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28188186 + ... + 28188193.

Almost surely, 2^225505516 is an apocalyptic number.

It is an amenable number.

225505516 is a deficient number, since it is larger than the sum of its proper divisors (169129144).

225505516 is a wasteful number, since it uses less digits than its factorization.

225505516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56376383 (or 56376381 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 225505516 is about 15016.8410792683. The cubic root of 225505516 is about 608.6753626165.

The spelling of 225505516 in words is "two hundred twenty-five million, five hundred five thousand, five hundred sixteen".