52220133400 has 48 divisors (see below), whose sum is σ = 121661342640. Its totient is φ = 20845123200.

The previous prime is 52220133397. The next prime is 52220133451. The reversal of 52220133400 is 433102225.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170671 + ... + 365470.

It is an arithmetic number, because the mean of its divisors is an integer number (2534611305).

Almost surely, 2^52220133400 is an apocalyptic number.

52220133400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52220133400 is an abundant number, since it is smaller than the sum of its proper divisors (69441209240).

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

52220133400 is a wasteful number, since it uses less digits than its factorization.

52220133400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536644 (or 536635 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 52220133400 its reverse (433102225), we get a palindrome (52653235625).

The spelling of 52220133400 in words is "fifty-two billion, two hundred twenty million, one hundred thirty-three thousand, four hundred".