225663608 has 16 divisors (see below), whose sum is σ = 445389000. Its totient is φ = 106893216.

The previous prime is 225663577. The next prime is 225663617. The reversal of 225663608 is 806366522.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742163 + ... + 742466.

Almost surely, 2^225663608 is an apocalyptic number.

It is an amenable number.

225663608 is a deficient number, since it is larger than the sum of its proper divisors (219725392).

225663608 is a wasteful number, since it uses less digits than its factorization.

225663608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484654 (or 1484650 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 225663608 is about 15022.1039804682. The cubic root of 225663608 is about 608.8175678999.

The spelling of 225663608 in words is "two hundred twenty-five million, six hundred sixty-three thousand, six hundred eight".