225986650 has 12 divisors (see below), whose sum is σ = 420335262. Its totient is φ = 90394640.

The previous prime is 225986641. The next prime is 225986653. The reversal of 225986650 is 56689522.

It can be written as a sum of positive squares in 3 ways, for example, as 158533281 + 67453369 = 12591^2 + 8213^2 .

It is a junction number, because it is equal to n+sod(n) for n = 225986597 and 225986606.

It is not an unprimeable number, because it can be changed into a prime (225986653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2259817 + ... + 2259916.

Almost surely, 2^225986650 is an apocalyptic number.

225986650 is a deficient number, since it is larger than the sum of its proper divisors (194348612).

225986650 is a wasteful number, since it uses less digits than its factorization.

225986650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4519745 (or 4519740 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 225986650 is about 15032.8523574204. The cubic root of 225986650 is about 609.1079409226.

The spelling of 225986650 in words is "two hundred twenty-five million, nine hundred eighty-six thousand, six hundred fifty".