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22012200210 = 235711213371801
BaseRepresentation
bin10100100000000001…
…111000010100010010
32002211001211122000110
4110200001320110102
5330040110401320
614040125502150
71406324420550
oct244001702422
962731748013
1022012200210
119376349900
124323a11956
1320ca534150
1410cb638bd0
1588c73d5e0
hex520078512

22012200210 has 384 divisors, whose sum is σ = 73441331712. Its totient is φ = 4105728000.

The previous prime is 22012200191. The next prime is 22012200211. The reversal of 22012200210 is 1200221022.

It is not an unprimeable number, because it can be changed into a prime (22012200211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 12221310 + ... + 12223110.

It is an arithmetic number, because the mean of its divisors is an integer number (191253468).

Almost surely, 222012200210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22012200210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36720665856).

22012200210 is an abundant number, since it is smaller than the sum of its proper divisors (51429131502).

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

22012200210 is a wasteful number, since it uses less digits than its factorization.

22012200210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890 (or 1879 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22012200210 its reverse (1200221022), we get a palindrome (23212421232).

It can be divided in two parts, 22012 and 200210, that added together give a palindrome (222222).

The spelling of 22012200210 in words is "twenty-two billion, twelve million, two hundred thousand, two hundred ten".