255722566422 has 16 divisors (see below), whose sum is σ = 511753810032. Its totient is φ = 85189409280.

The previous prime is 255722566391. The next prime is 255722566439. The reversal of 255722566422 is 224665227552.

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, 12850779 + ... + 12870662.

It is an arithmetic number, because the mean of its divisors is an integer number (31984613127).

Almost surely, 2^255722566422 is an apocalyptic number.

255722566422 is an abundant number, since it is smaller than the sum of its proper divisors (256031243610).

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

255722566422 is a wasteful number, since it uses less digits than its factorization.

255722566422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25723103.

The product of its digits is 4032000, while the sum is 48.

The spelling of 255722566422 in words is "two hundred fifty-five billion, seven hundred twenty-two million, five hundred sixty-six thousand, four hundred twenty-two".