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2222122120002 = 2321931405145523
BaseRepresentation
bin100000010101100000110…
…011001011001101000010
321212102200111210200002100
4200111200303023031002
5242401401230320002
64420455004531230
7316354154241531
oct40254063131502
97772614720070
102222122120002
11787440008194
122ba7b4250b16
13131711ac2385
14797a0a20318
153cc0865411c
hex20560ccb342

2222122120002 has 48 divisors (see below), whose sum is σ = 4839994774368. Its totient is φ = 736800883200.

The previous prime is 2222122119913. The next prime is 2222122120033. The reversal of 2222122120002 is 2000212212222.

2222122120002 is a `hidden beast` number, since 22 + 221 + 221 + 200 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48790413 + ... + 48835935.

It is an arithmetic number, because the mean of its divisors is an integer number (100833224466).

Almost surely, 22222122120002 is an apocalyptic number.

2222122120002 is an abundant number, since it is smaller than the sum of its proper divisors (2617872654366).

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

2222122120002 is a wasteful number, since it uses less digits than its factorization.

2222122120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59775 (or 59772 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2222122120002 its reverse (2000212212222), we get a palindrome (4222334332224).

The spelling of 2222122120002 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred twenty thousand, two".

Divisors: 1 2 3 6 9 18 193 386 579 1158 1737 3474 14051 28102 42153 45523 84306 91046 126459 136569 252918 273138 409707 819414 2711843 5423686 8135529 8785939 16271058 17571878 24406587 26357817 48813174 52715634 79073451 158146902 639643673 1279287346 1918931019 3837862038 5756793057 11513586114 123451228889 246902457778 370353686667 740707373334 1111061060001 2222122120002