225020455 has 8 divisors (see below), whose sum is σ = 294572304. Its totient is φ = 163651200.

The previous prime is 225020447. The next prime is 225020473. The reversal of 225020455 is 554020522.

It is a happy number.

225020455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 225020455 - 2³ = 225020447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2045586 + ... + 2045695.

It is an arithmetic number, because the mean of its divisors is an integer number (36821538).

Almost surely, 2^225020455 is an apocalyptic number.

225020455 is a deficient number, since it is larger than the sum of its proper divisors (69551849).

225020455 is a wasteful number, since it uses less digits than its factorization.

225020455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4091297.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 225020455 is about 15000.6818178375. The cubic root of 225020455 is about 608.2386303235.

Adding to 225020455 its reverse (554020522), we get a palindrome (779040977).

The spelling of 225020455 in words is "two hundred twenty-five million, twenty thousand, four hundred fifty-five".