222115352052 has 96 divisors (see below), whose sum is σ = 568770048000. Its totient is φ = 66905308800.

The previous prime is 222115352027. The next prime is 222115352071. The reversal of 222115352052 is 250253511222.

It is a super-2 number, since 2×222115352052² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32332474 + ... + 32339342.

It is an arithmetic number, because the mean of its divisors is an integer number (5924688000).

Almost surely, 2^222115352052 is an apocalyptic number.

222115352052 is a gapful number since it is divisible by the number (22) 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 222115352052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284385024000).

222115352052 is an abundant number, since it is smaller than the sum of its proper divisors (346654695948).

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

222115352052 is a wasteful number, since it uses less digits than its factorization.

222115352052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8317 (or 8315 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 222115352052 its reverse (250253511222), we get a palindrome (472368863274).

The spelling of 222115352052 in words is "two hundred twenty-two billion, one hundred fifteen million, three hundred fifty-two thousand, fifty-two".