225035221 has 8 divisors (see below), whose sum is σ = 243282080. Its totient is φ = 207428688.

The previous prime is 225035219. The next prime is 225035227. The reversal of 225035221 is 122530522.

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

It is a cyclic number.

It is not a de Polignac number, because 225035221 - 2¹ = 225035219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225035192 and 225035201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225035227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159351 + ... + 160756.

It is an arithmetic number, because the mean of its divisors is an integer number (30410260).

Almost surely, 2^225035221 is an apocalyptic number.

It is an amenable number.

225035221 is a deficient number, since it is larger than the sum of its proper divisors (18246859).

225035221 is a wasteful number, since it uses less digits than its factorization.

225035221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320163.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 225035221 is about 15001.1739873918. The cubic root of 225035221 is about 608.2519343810.

Adding to 225035221 its reverse (122530522), we get a palindrome (347565743).

The spelling of 225035221 in words is "two hundred twenty-five million, thirty-five thousand, two hundred twenty-one".