225758012 has 12 divisors (see below), whose sum is σ = 395531136. Its totient is φ = 112749120.

The previous prime is 225758009. The next prime is 225758017. The reversal of 225758012 is 210857522.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 225758012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225758017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28508 + ... + 35555.

It is an arithmetic number, because the mean of its divisors is an integer number (32960928).

Almost surely, 2^225758012 is an apocalyptic number.

It is an amenable number.

225758012 is a deficient number, since it is larger than the sum of its proper divisors (169773124).

225758012 is a wasteful number, since it uses less digits than its factorization.

225758012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64948 (or 64946 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 225758012 is about 15025.2458216164. The cubic root of 225758012 is about 608.9024535421.

The spelling of 225758012 in words is "two hundred twenty-five million, seven hundred fifty-eight thousand, twelve".