Search a number
-
+
2222200512252 = 2233731373254209
BaseRepresentation
bin100000010101100101011…
…110001101111011111100
321212102212222022102001000
4200111211132031323330
5242402031312343002
64420510445050300
7316356125460420
oct40254536157374
97772788272030
102222200512252
11787480290476
122ba816556990
1313172510ba16
14797ab1c8b80
153cc1048b61c
hex2056578defc

2222200512252 has 192 divisors, whose sum is σ = 6814943027200. Its totient is φ = 612783636480.

The previous prime is 2222200512239. The next prime is 2222200512269. The reversal of 2222200512252 is 2522150022222.

It is a super-2 number, since 2×22222005122522 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 63 ways as a sum of consecutive naturals, for example, 8614524 + ... + 8868732.

Almost surely, 22222200512252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2222200512252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3407471513600).

2222200512252 is an abundant number, since it is smaller than the sum of its proper divisors (4592742514948).

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

2222200512252 is a wasteful number, since it uses less digits than its factorization.

2222200512252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254633 (or 254625 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 2222200512252 its reverse (2522150022222), we get a palindrome (4744350534474).

The spelling of 2222200512252 in words is "two trillion, two hundred twenty-two billion, two hundred million, five hundred twelve thousand, two hundred fifty-two".