225299450 has 24 divisors (see below), whose sum is σ = 419881980. Its totient is φ = 89942400.

The previous prime is 225299447. The next prime is 225299461. The reversal of 225299450 is 54992522.

It can be written as a sum of positive squares in 6 ways, for example, as 30724849 + 194574601 = 5543^2 + 13949^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 22886 + ... + 31214.

Almost surely, 2^225299450 is an apocalyptic number.

225299450 is a deficient number, since it is larger than the sum of its proper divisors (194582530).

225299450 is a wasteful number, since it uses less digits than its factorization.

225299450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8882 (or 8877 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 225299450 is about 15009.9783477525. The cubic root of 225299450 is about 608.4899044455.

The spelling of 225299450 in words is "two hundred twenty-five million, two hundred ninety-nine thousand, four hundred fifty".