225573630 has 16 divisors (see below), whose sum is σ = 541376784. Its totient is φ = 60152960.

The previous prime is 225573611. The next prime is 225573631. The reversal of 225573630 is 36375522.

It is a junction number, because it is equal to n+sod(n) for n = 225573591 and 225573600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225573631) 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, 3759531 + ... + 3759590.

It is an arithmetic number, because the mean of its divisors is an integer number (33836049).

Almost surely, 2^225573630 is an apocalyptic number.

225573630 is an abundant number, since it is smaller than the sum of its proper divisors (315803154).

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

225573630 is a wasteful number, since it uses less digits than its factorization.

225573630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7519131.

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 225573630 is about 15019.1088284225. The cubic root of 225573630 is about 608.7366399647.

The spelling of 225573630 in words is "two hundred twenty-five million, five hundred seventy-three thousand, six hundred thirty".