225660650 has 12 divisors (see below), whose sum is σ = 419728902. Its totient is φ = 90264240.

The previous prime is 225660637. The next prime is 225660683. The reversal of 225660650 is 56066522.

It can be written as a sum of positive squares in 3 ways, for example, as 218537089 + 7123561 = 14783^2 + 2669^2 .

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 5 ways as a sum of consecutive naturals, for example, 2256557 + ... + 2256656.

Almost surely, 2^225660650 is an apocalyptic number.

225660650 is a deficient number, since it is larger than the sum of its proper divisors (194068252).

225660650 is a wasteful number, since it uses less digits than its factorization.

225660650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513225 (or 4513220 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 225660650 is about 15022.0055252286. The cubic root of 225660650 is about 608.8149077601.

The spelling of 225660650 in words is "two hundred twenty-five million, six hundred sixty thousand, six hundred fifty".