555222555 has 72 divisors (see below), whose sum is σ = 1024251696. Its totient is φ = 278017920.

The previous prime is 555222539. The next prime is 555222557.

555222555 is a `hidden beast` number, since 55 + 52 + 2 + 2 + 555 = 666.

555222555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 555222555 - 2⁴ = 555222539 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (555222557) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1599892 + ... + 1600238.

It is an arithmetic number, because the mean of its divisors is an integer number (14225718).

Almost surely, 2^555222555 is an apocalyptic number.

555222555 is a deficient number, since it is larger than the sum of its proper divisors (469029141).

555222555 is a wasteful number, since it uses less digits than its factorization.

555222555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 423 counting only the distinct ones).

The product of its digits is 125000, while the sum is 36.

The square root of 555222555 is about 23563.1609721616. The cubic root of 555222555 is about 821.9064086172.

The spelling of 555222555 in words is "five hundred fifty-five million, two hundred twenty-two thousand, five hundred fifty-five".