225230000 has 100 divisors (see below), whose sum is σ = 553172928. Its totient is φ = 88800000.

The previous prime is 225229987. The next prime is 225230011. The reversal of 225230000 is 32522.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1009889 + ... + 1010111.

Almost surely, 2^225230000 is an apocalyptic number.

225230000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276586464).

225230000 is an abundant number, since it is smaller than the sum of its proper divisors (327942928).

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

225230000 is a wasteful number, since it uses less digits than its factorization.

225230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 225230000 is about 15007.6647084082. The cubic root of 225230000 is about 608.4273743818.

Adding to 225230000 its reverse (32522), we get a palindrome (225262522).

The spelling of 225230000 in words is "two hundred twenty-five million, two hundred thirty thousand".