225856486 has 4 divisors (see below), whose sum is σ = 338784732. Its totient is φ = 112928242.

The previous prime is 225856469. The next prime is 225856507. The reversal of 225856486 is 684658522.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×225856486² = 102022304536536392, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 56464120 + ... + 56464123.

It is an arithmetic number, because the mean of its divisors is an integer number (84696183).

Almost surely, 2^225856486 is an apocalyptic number.

225856486 is a deficient number, since it is larger than the sum of its proper divisors (112928246).

225856486 is a wasteful number, since it uses less digits than its factorization.

225856486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112928245.

The product of its digits is 921600, while the sum is 46.

The square root of 225856486 is about 15028.5224157267. The cubic root of 225856486 is about 608.9909736107.

The spelling of 225856486 in words is "two hundred twenty-five million, eight hundred fifty-six thousand, four hundred eighty-six".