225843630 has 16 divisors (see below), whose sum is σ = 542024784. Its totient is φ = 60224960.

The previous prime is 225843613. The next prime is 225843659. The reversal of 225843630 is 36348522.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 225843591 and 225843600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3764031 + ... + 3764090.

It is an arithmetic number, because the mean of its divisors is an integer number (33876549).

Almost surely, 2^225843630 is an apocalyptic number.

225843630 is an abundant number, since it is smaller than the sum of its proper divisors (316181154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225843630 is a wasteful number, since it uses less digits than its factorization.

225843630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7528131.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 225843630 is about 15028.0946896139. The cubic root of 225843630 is about 608.9794185791.

The spelling of 225843630 in words is "two hundred twenty-five million, eight hundred forty-three thousand, six hundred thirty".