255702771222 has 16 divisors (see below), whose sum is σ = 518608438272. Its totient is φ = 84033774440.

The previous prime is 255702771209. The next prime is 255702771277. The reversal of 255702771222 is 222177207552.

It is a super-2 number, since 2×255702771222² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300120198 + ... + 300121049.

It is an arithmetic number, because the mean of its divisors is an integer number (32413027392).

Almost surely, 2^255702771222 is an apocalyptic number.

255702771222 is an abundant number, since it is smaller than the sum of its proper divisors (262905667050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255702771222 is a wasteful number, since it uses less digits than its factorization.

255702771222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600241323.

The product of its (nonzero) digits is 274400, while the sum is 42.

Adding to 255702771222 its reverse (222177207552), we get a palindrome (477879978774).

The spelling of 255702771222 in words is "two hundred fifty-five billion, seven hundred two million, seven hundred seventy-one thousand, two hundred twenty-two".