225184745 has 8 divisors (see below), whose sum is σ = 270936960. Its totient is φ = 179670960.

The previous prime is 225184741. The next prime is 225184747. The reversal of 225184745 is 547481522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225184745 - 2² = 225184741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225184699 and 225184708.

It is not an unprimeable number, because it can be changed into a prime (225184741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57521 + ... + 61310.

It is an arithmetic number, because the mean of its divisors is an integer number (33867120).

Almost surely, 2^225184745 is an apocalyptic number.

It is an amenable number.

225184745 is a deficient number, since it is larger than the sum of its proper divisors (45752215).

225184745 is a wasteful number, since it uses less digits than its factorization.

225184745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119215.

The product of its digits is 89600, while the sum is 38.

The square root of 225184745 is about 15006.1569030848. The cubic root of 225184745 is about 608.3866216325.

The spelling of 225184745 in words is "two hundred twenty-five million, one hundred eighty-four thousand, seven hundred forty-five".