225004642 has 16 divisors (see below), whose sum is σ = 343728000. Its totient is φ = 110434320.

The previous prime is 225004531. The next prime is 225004657. The reversal of 225004642 is 246400522.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 144484 + ... + 146032.

It is an arithmetic number, because the mean of its divisors is an integer number (21483000).

Almost surely, 2^225004642 is an apocalyptic number.

225004642 is a deficient number, since it is larger than the sum of its proper divisors (118723358).

225004642 is a wasteful number, since it uses less digits than its factorization.

225004642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 225004642 is about 15000.1547325353. The cubic root of 225004642 is about 608.2243822814.

The spelling of 225004642 in words is "two hundred twenty-five million, four thousand, six hundred forty-two".