225161716 has 24 divisors (see below), whose sum is σ = 425152224. Its totient is φ = 103722720.

The previous prime is 225161701. The next prime is 225161737. The reversal of 225161716 is 617161522.

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 in 7 ways as a sum of consecutive naturals, for example, 25431 + ... + 33121.

It is an arithmetic number, because the mean of its divisors is an integer number (17714676).

Almost surely, 2^225161716 is an apocalyptic number.

225161716 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

225161716 is a deficient number, since it is larger than the sum of its proper divisors (199990508).

225161716 is a wasteful number, since it uses less digits than its factorization.

225161716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8271 (or 8269 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 225161716 is about 15005.3895650863. The cubic root of 225161716 is about 608.3658816054.

The spelling of 225161716 in words is "two hundred twenty-five million, one hundred sixty-one thousand, seven hundred sixteen".