555222222555 has 384 divisors, whose sum is σ = 1253562531840. Its totient is φ = 203566970880.

The previous prime is 555222222553. The next prime is 555222222593.

555222222555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 555222222555 - 2¹ = 555222222553 is a prime.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (555222222553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 426110034 + ... + 426111336.

It is an arithmetic number, because the mean of its divisors is an integer number (3264485760).

Almost surely, 2^555222222555 is an apocalyptic number.

555222222555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

555222222555 is an abundant number, since it is smaller than the sum of its proper divisors (698340309285).

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

555222222555 is a wasteful number, since it uses less digits than its factorization.

555222222555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451 (or 1438 counting only the distinct ones).

The product of its digits is 1000000, while the sum is 42.

It can be divided in two parts, 555222 and 222555, that added together give a palindrome (777777).

The spelling of 555222222555 in words is "five hundred fifty-five billion, two hundred twenty-two million, two hundred twenty-two thousand, five hundred fifty-five".