225545630 has 16 divisors (see below), whose sum is σ = 429863760. Its totient is φ = 84911232.

The previous prime is 225545603. The next prime is 225545641. The reversal of 225545630 is 36545522.

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, 663200 + ... + 663539.

It is an arithmetic number, because the mean of its divisors is an integer number (26866485).

Almost surely, 2^225545630 is an apocalyptic number.

225545630 is a deficient number, since it is larger than the sum of its proper divisors (204318130).

225545630 is a wasteful number, since it uses less digits than its factorization.

225545630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326763.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 225545630 is about 15018.1766536421. The cubic root of 225545630 is about 608.7114518385.

The spelling of 225545630 in words is "two hundred twenty-five million, five hundred forty-five thousand, six hundred thirty".