225224370 has 96 divisors (see below), whose sum is σ = 674593920. Its totient is φ = 51068160.

The previous prime is 225224369. The next prime is 225224413. The reversal of 225224370 is 73422522.

225224370 is a `hidden beast` number, since 225 + 2 + 2 + 437 + 0 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81166 + ... + 83894.

It is an arithmetic number, because the mean of its divisors is an integer number (7027020).

Almost surely, 2^225224370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225224370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337296960).

225224370 is an abundant number, since it is smaller than the sum of its proper divisors (449369550).

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

225224370 is a wasteful number, since it uses less digits than its factorization.

225224370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880 (or 2877 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 225224370 is about 15007.4771364144. The cubic root of 225224370 is about 608.4223047868.

Adding to 225224370 its reverse (73422522), we get a palindrome (298646892).

The spelling of 225224370 in words is "two hundred twenty-five million, two hundred twenty-four thousand, three hundred seventy".