225550530 has 48 divisors (see below), whose sum is σ = 593873280. Its totient is φ = 59383584.

The previous prime is 225550519. The next prime is 225550531. The reversal of 225550530 is 35055522.

It is a junction number, because it is equal to n+sod(n) for n = 225550494 and 225550503.

It is not an unprimeable number, because it can be changed into a prime (225550531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8752 + ... + 22971.

It is an arithmetic number, because the mean of its divisors is an integer number (12372360).

Almost surely, 2^225550530 is an apocalyptic number.

225550530 is an abundant number, since it is smaller than the sum of its proper divisors (368322750).

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

225550530 is a wasteful number, since it uses less digits than its factorization.

225550530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31815 (or 31812 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 225550530 is about 15018.3397884054. The cubic root of 225550530 is about 608.7158599111.

The spelling of 225550530 in words is "two hundred twenty-five million, five hundred fifty thousand, five hundred thirty".