225641370 has 32 divisors (see below), whose sum is σ = 550722240. Its totient is φ = 59150720.

The previous prime is 225641369. The next prime is 225641399. The reversal of 225641370 is 73146522.

225641370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61971 + ... + 65510.

It is an arithmetic number, because the mean of its divisors is an integer number (17210070).

Almost surely, 2^225641370 is an apocalyptic number.

225641370 is an abundant number, since it is smaller than the sum of its proper divisors (325080870).

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

225641370 is a wasteful number, since it uses less digits than its factorization.

225641370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127550.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 225641370 is about 15021.3637862878. The cubic root of 225641370 is about 608.7975686187.

Adding to 225641370 its reverse (73146522), we get a palindrome (298787892).

The spelling of 225641370 in words is "two hundred twenty-five million, six hundred forty-one thousand, three hundred seventy".