255422241225 has 18 divisors (see below), whose sum is σ = 457489614686. Its totient is φ = 136225195200.

The previous prime is 255422241209. The next prime is 255422241271. The reversal of 255422241225 is 522142224552.

255422241225 is a `hidden beast` number, since 2 + 5 + 5 + 422 + 2 + 4 + 1 + 225 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 60244720704 + 195177520521 = 245448^2 + 441789^2 .

It is not a de Polignac number, because 255422241225 - 2⁴ = 255422241209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255422241225.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 567604756 + ... + 567605205.

Almost surely, 2^255422241225 is an apocalyptic number.

255422241225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255422241225 is a deficient number, since it is larger than the sum of its proper divisors (202067373461).

255422241225 is a wasteful number, since it uses less digits than its factorization.

255422241225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135209977 (or 1135209969 counting only the distinct ones).

The product of its digits is 128000, while the sum is 36.

Adding to 255422241225 its reverse (522142224552), we get a palindrome (777564465777).

The spelling of 255422241225 in words is "two hundred fifty-five billion, four hundred twenty-two million, two hundred forty-one thousand, two hundred twenty-five".