505012220022 has 16 divisors (see below), whose sum is σ = 1010919072240. Its totient is φ = 168188301312.

The previous prime is 505012219967. The next prime is 505012220029. The reversal of 505012220022 is 220022210505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505012220029) 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, 37269003 + ... + 37282550.

It is an arithmetic number, because the mean of its divisors is an integer number (63182442015).

Almost surely, 2^505012220022 is an apocalyptic number.

505012220022 is an abundant number, since it is smaller than the sum of its proper divisors (505906852218).

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

505012220022 is a wasteful number, since it uses less digits than its factorization.

505012220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74552687.

The product of its (nonzero) digits is 800, while the sum is 21.

Adding to 505012220022 its reverse (220022210505), we get a palindrome (725034430527).

The spelling of 505012220022 in words is "five hundred five billion, twelve million, two hundred twenty thousand, twenty-two".