225045512 has 8 divisors (see below), whose sum is σ = 421960350. Its totient is φ = 112522752.

The previous prime is 225045479. The next prime is 225045517. The reversal of 225045512 is 215540522.

It can be written as a sum of positive squares in only one way, i.e., 186431716 + 38613796 = 13654^2 + 6214^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (225045517) by changing a digit.

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 as a sum of consecutive naturals, namely, 14065337 + ... + 14065352.

Almost surely, 2^225045512 is an apocalyptic number.

It is an amenable number.

225045512 is a deficient number, since it is larger than the sum of its proper divisors (196914838).

225045512 is a wasteful number, since it uses less digits than its factorization.

225045512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28130695 (or 28130691 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 225045512 is about 15001.5169899580. The cubic root of 225045512 is about 608.2612061522.

The spelling of 225045512 in words is "two hundred twenty-five million, forty-five thousand, five hundred twelve".