225450312 has 16 divisors (see below), whose sum is σ = 563625840. Its totient is φ = 75150096.

The previous prime is 225450307. The next prime is 225450317. The reversal of 225450312 is 213054522.

It is an interprime number because it is at equal distance from previous prime (225450307) and next prime (225450317).

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 9393763 = 225450312 / (2 + 2 + 5 + 4 + 5 + 0 + 3 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (225450317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4696858 + ... + 4696905.

It is an arithmetic number, because the mean of its divisors is an integer number (35226615).

Almost surely, 2^225450312 is an apocalyptic number.

It is an amenable number.

225450312 is an abundant number, since it is smaller than the sum of its proper divisors (338175528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225450312 is a wasteful number, since it uses less digits than its factorization.

225450312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9393772 (or 9393768 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 225450312 is about 15015.0028971026. The cubic root of 225450312 is about 608.6256904288.

The spelling of 225450312 in words is "two hundred twenty-five million, four hundred fifty thousand, three hundred twelve".