505404445222 has 32 divisors (see below), whose sum is σ = 799066524672. Its totient is φ = 239272998624.

The previous prime is 505404445187. The next prime is 505404445283. The reversal of 505404445222 is 222544404505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12663703 + ... + 12703549.

It is an arithmetic number, because the mean of its divisors is an integer number (24970828896).

Almost surely, 2^505404445222 is an apocalyptic number.

505404445222 is a deficient number, since it is larger than the sum of its proper divisors (293662079450).

505404445222 is a wasteful number, since it uses less digits than its factorization.

505404445222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42652.

The product of its (nonzero) digits is 256000, while the sum is 37.

Adding to 505404445222 its reverse (222544404505), we get a palindrome (727948849727).

The spelling of 505404445222 in words is "five hundred five billion, four hundred four million, four hundred forty-five thousand, two hundred twenty-two".