505351440421222 has 16 divisors (see below), whose sum is σ = 767625005283840. Its totient is φ = 249476460027912.

The previous prime is 505351440421199. The next prime is 505351440421253. The reversal of 505351440421222 is 222124044153505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43517733 + ... + 53893375.

It is an arithmetic number, because the mean of its divisors is an integer number (47976562830240).

Almost surely, 2^{505351440421222} is an apocalyptic number.

505351440421222 is a deficient number, since it is larger than the sum of its proper divisors (262273564862618).

505351440421222 is a wasteful number, since it uses less digits than its factorization.

505351440421222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10683987.

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 505351440421222 its reverse (222124044153505), we get a palindrome (727475484574727).

The spelling of 505351440421222 in words is "five hundred five trillion, three hundred fifty-one billion, four hundred forty million, four hundred twenty-one thousand, two hundred twenty-two".