225500455 has 24 divisors (see below), whose sum is σ = 287267904. Its totient is φ = 169905600.

The previous prime is 225500453. The next prime is 225500477. The reversal of 225500455 is 554005522.

It is not a de Polignac number, because 225500455 - 2¹ = 225500453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225500453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 488925 + ... + 489385.

It is an arithmetic number, because the mean of its divisors is an integer number (11969496).

Almost surely, 2^225500455 is an apocalyptic number.

225500455 is a deficient number, since it is larger than the sum of its proper divisors (61767449).

225500455 is a wasteful number, since it uses less digits than its factorization.

225500455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 225500455 is about 15016.6725675164. The cubic root of 225500455 is about 608.6708091003.

Adding to 225500455 its reverse (554005522), we get a palindrome (779505977).

The spelling of 225500455 in words is "two hundred twenty-five million, five hundred thousand, four hundred fifty-five".