225252628 has 24 divisors (see below), whose sum is σ = 409762080. Its totient is φ = 108215520.

The previous prime is 225252617. The next prime is 225252637. The reversal of 225252628 is 826252522.

225252628 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 225252593 and 225252602.

It is a congruent number.

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, 19875 + ... + 29077.

It is an arithmetic number, because the mean of its divisors is an integer number (17073420).

Almost surely, 2^225252628 is an apocalyptic number.

It is an amenable number.

225252628 is a deficient number, since it is larger than the sum of its proper divisors (184509452).

225252628 is a wasteful number, since it uses less digits than its factorization.

225252628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9447 (or 9445 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

The square root of 225252628 is about 15008.4185709221. The cubic root of 225252628 is about 608.4477491596.

The spelling of 225252628 in words is "two hundred twenty-five million, two hundred fifty-two thousand, six hundred twenty-eight".