225822656 has 14 divisors (see below), whose sum is σ = 448116960. Its totient is φ = 112911296.

The previous prime is 225822643. The next prime is 225822661. The reversal of 225822656 is 656228522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1764176 + ... + 1764303.

Almost surely, 2^225822656 is an apocalyptic number.

It is an amenable number.

225822656 is a deficient number, since it is larger than the sum of its proper divisors (222294304).

225822656 is an equidigital number, since it uses as much as digits as its factorization.

225822656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528491 (or 3528481 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 225822656 is about 15027.3968470923. The cubic root of 225822656 is about 608.9605661106.

It can be divided in two parts, 2258226 and 56, that multiplied together give a triangular number (126460656 = T₁₅₉₀₃).

The spelling of 225822656 in words is "two hundred twenty-five million, eight hundred twenty-two thousand, six hundred fifty-six".