52222231500 has 288 divisors, whose sum is σ = 164049500160. Its totient is φ = 12873168000.

The previous prime is 52222231499. The next prime is 52222231547. The reversal of 52222231500 is 513222225.

It is a super-2 number, since 2×52222231500² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 52696005 + ... + 52696995.

It is an arithmetic number, because the mean of its divisors is an integer number (569616320).

Almost surely, 2^52222231500 is an apocalyptic number.

52222231500 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 52222231500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82024750080).

52222231500 is an abundant number, since it is smaller than the sum of its proper divisors (111827268660).

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

52222231500 is a wasteful number, since it uses less digits than its factorization.

52222231500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 52222231500 its reverse (513222225), we get a palindrome (52735453725).

The spelling of 52222231500 in words is "fifty-two billion, two hundred twenty-two million, two hundred thirty-one thousand, five hundred".