52222115400 has 1152 divisors, whose sum is σ = 215664768000. Its totient is φ = 10214830080.

The previous prime is 52222115333. The next prime is 52222115417. The reversal of 52222115400 is 451122225.

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 287 ways as a sum of consecutive naturals, for example, 885120571 + ... + 885120629.

It is an arithmetic number, because the mean of its divisors is an integer number (187209000).

Almost surely, 2^52222115400 is an apocalyptic number.

52222115400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52222115400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107832384000).

52222115400 is an abundant number, since it is smaller than the sum of its proper divisors (163442652600).

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

52222115400 is a wasteful number, since it uses less digits than its factorization.

52222115400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 52222115400 its reverse (451122225), we get a palindrome (52673237625).

The spelling of 52222115400 in words is "fifty-two billion, two hundred twenty-two million, one hundred fifteen thousand, four hundred".