225023250 has 64 divisors (see below), whose sum is σ = 564879744. Its totient is φ = 59662400.

The previous prime is 225023243. The next prime is 225023261. The reversal of 225023250 is 52320522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146989 + ... + 148511.

It is an arithmetic number, because the mean of its divisors is an integer number (8826246).

Almost surely, 2^225023250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225023250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282439872).

225023250 is an abundant number, since it is smaller than the sum of its proper divisors (339856494).

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

225023250 is a wasteful number, since it uses less digits than its factorization.

225023250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740 (or 1730 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 225023250 is about 15000.7749799802. The cubic root of 225023250 is about 608.2411486427.

Adding to 225023250 its reverse (52320522), we get a palindrome (277343772).

It can be divided in two parts, 22502 and 3250, that added together give a palindrome (25752).

The spelling of 225023250 in words is "two hundred twenty-five million, twenty-three thousand, two hundred fifty".