522550221000 has 64 divisors (see below), whose sum is σ = 1630356698880. Its totient is φ = 139346724800.

The previous prime is 522550220999. The next prime is 522550221029. The reversal of 522550221000 is 122055225.

It is a super-3 number, since 3×522550221000³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 87088704 + ... + 87094703.

It is an arithmetic number, because the mean of its divisors is an integer number (25474323420).

Almost surely, 2^522550221000 is an apocalyptic number.

522550221000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

522550221000 is an abundant number, since it is smaller than the sum of its proper divisors (1107806477880).

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

522550221000 is a wasteful number, since it uses less digits than its factorization.

522550221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174183431 (or 174183417 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

Adding to 522550221000 its reverse (122055225), we get a palindrome (522672276225).

The spelling of 522550221000 in words is "five hundred twenty-two billion, five hundred fifty million, two hundred twenty-one thousand".