500222155 has 4 divisors (see below), whose sum is σ = 600266592. Its totient is φ = 400177720.

The previous prime is 500222153. The next prime is 500222179. The reversal of 500222155 is 551222005.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 500222155 - 2¹ = 500222153 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500222153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50022211 + ... + 50022220.

It is an arithmetic number, because the mean of its divisors is an integer number (150066648).

Almost surely, 2^500222155 is an apocalyptic number.

500222155 is a deficient number, since it is larger than the sum of its proper divisors (100044437).

500222155 is a wasteful number, since it uses less digits than its factorization.

500222155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100044436.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 500222155 is about 22365.6467601543. The cubic root of 500222155 is about 793.8180582725.

The spelling of 500222155 in words is "five hundred million, two hundred twenty-two thousand, one hundred fifty-five".