225221410 has 8 divisors (see below), whose sum is σ = 405398556. Its totient is φ = 90088560.

The previous prime is 225221407. The next prime is 225221431. The reversal of 225221410 is 14122522.

225221410 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 212022721 + 13198689 = 14561^2 + 3633^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11261061 + ... + 11261080.

Almost surely, 2^225221410 is an apocalyptic number.

225221410 is a deficient number, since it is larger than the sum of its proper divisors (180177146).

225221410 is a wasteful number, since it uses less digits than its factorization.

225221410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22522148.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 225221410 is about 15007.3785185821. The cubic root of 225221410 is about 608.4196393885.

Adding to 225221410 its reverse (14122522), we get a palindrome (239343932).

It can be divided in two parts, 22522 and 1410, that added together give a palindrome (23932).

The spelling of 225221410 in words is "two hundred twenty-five million, two hundred twenty-one thousand, four hundred ten".