503222022216 has 96 divisors (see below), whose sum is σ = 1375358807160. Its totient is φ = 166207297536.

The previous prime is 503222022209. The next prime is 503222022221. The reversal of 503222022216 is 612220222305.

It can be written as a sum of positive squares in 4 ways, for example, as 292215924900 + 211006097316 = 540570^2 + 459354^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 503222022216.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36743466 + ... + 36757158.

Almost surely, 2^503222022216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503222022216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687679403580).

503222022216 is an abundant number, since it is smaller than the sum of its proper divisors (872136784944).

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

503222022216 is a wasteful number, since it uses less digits than its factorization.

503222022216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18335 (or 18328 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The spelling of 503222022216 in words is "five hundred three billion, two hundred twenty-two million, twenty-two thousand, two hundred sixteen".