504540222 has 16 divisors (see below), whose sum is σ = 1014153600. Its totient is φ = 167334552.

The previous prime is 504540163. The next prime is 504540227. The reversal of 504540222 is 222045405.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 504540192 and 504540201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504540227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210088 + ... + 212475.

It is an arithmetic number, because the mean of its divisors is an integer number (63384600).

Almost surely, 2^504540222 is an apocalyptic number.

504540222 is an abundant number, since it is smaller than the sum of its proper divisors (509613378).

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

504540222 is a wasteful number, since it uses less digits than its factorization.

504540222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422767.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 504540222 is about 22461.9727984877. The cubic root of 504540222 is about 796.0956752670.

Adding to 504540222 its reverse (222045405), we get a palindrome (726585627).

The spelling of 504540222 in words is "five hundred four million, five hundred forty thousand, two hundred twenty-two".