225393450 has 48 divisors (see below), whose sum is σ = 560321280. Its totient is φ = 59960320.

The previous prime is 225393437. The next prime is 225393451. The reversal of 225393450 is 54393522.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (225393451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70282 + ... + 73418.

It is an arithmetic number, because the mean of its divisors is an integer number (11673360).

Almost surely, 2^225393450 is an apocalyptic number.

225393450 is an abundant number, since it is smaller than the sum of its proper divisors (334927830).

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

225393450 is a wasteful number, since it uses less digits than its factorization.

225393450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3631 (or 3626 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 225393450 is about 15013.1092715666. The cubic root of 225393450 is about 608.5745179056.

It can be divided in two parts, 2253 and 93450, that added together give a triangular number (95703 = T₄₃₇).

The spelling of 225393450 in words is "two hundred twenty-five million, three hundred ninety-three thousand, four hundred fifty".