225678850 has 12 divisors (see below), whose sum is σ = 419762754. Its totient is φ = 90271520.

The previous prime is 225678839. The next prime is 225678851. The reversal of 225678850 is 58876522.

It can be written as a sum of positive squares in 3 ways, for example, as 157929489 + 67749361 = 12567^2 + 8231^2 .

It is a junction number, because it is equal to n+sod(n) for n = 225678797 and 225678806.

It is not an unprimeable number, because it can be changed into a prime (225678851) 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, 2256739 + ... + 2256838.

Almost surely, 2^225678850 is an apocalyptic number.

225678850 is a deficient number, since it is larger than the sum of its proper divisors (194083904).

225678850 is a wasteful number, since it uses less digits than its factorization.

225678850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513589 (or 4513584 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 225678850 is about 15022.6112909840. The cubic root of 225678850 is about 608.8312747156.

The spelling of 225678850 in words is "two hundred twenty-five million, six hundred seventy-eight thousand, eight hundred fifty".