225439652 has 72 divisors (see below), whose sum is σ = 447679680. Its totient is φ = 99095040.

The previous prime is 225439651. The next prime is 225439661. The reversal of 225439652 is 256934522.

225439652 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×225439652² = 101646073387762208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225439651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1621799 + ... + 1621937.

Almost surely, 2^225439652 is an apocalyptic number.

It is an amenable number.

225439652 is a deficient number, since it is larger than the sum of its proper divisors (222240028).

225439652 is a wasteful number, since it uses less digits than its factorization.

225439652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 242 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The square root of 225439652 is about 15014.6479146199. The cubic root of 225439652 is about 608.6160976985.

The spelling of 225439652 in words is "two hundred twenty-five million, four hundred thirty-nine thousand, six hundred fifty-two".