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10222102212 = 2237121691693
BaseRepresentation
bin10011000010100100…
…01110011011000100
3222101101200121002020
421201102032123010
5131413324232322
64410155043140
7511212302160
oct114122163304
928341617066
1010222102212
114376123763
121b934404b0
13c6ba129ba
146cd859ca0
153ec63105c
hex26148e6c4

10222102212 has 24 divisors (see below), whose sum is σ = 27258939456. Its totient is φ = 2920600608.

The previous prime is 10222102199. The next prime is 10222102259. The reversal of 10222102212 is 21220122201.

It is a super-3 number, since 3×102221022123 (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10222102191 and 10222102200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60845763 + ... + 60845930.

It is an arithmetic number, because the mean of its divisors is an integer number (1135789144).

Almost surely, 210222102212 is an apocalyptic number.

10222102212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10222102212 is an abundant number, since it is smaller than the sum of its proper divisors (17036837244).

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

10222102212 is a wasteful number, since it uses less digits than its factorization.

10222102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121691707 (or 121691705 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10222102212 its reverse (21220122201), we get a palindrome (31442224413).

The spelling of 10222102212 in words is "ten billion, two hundred twenty-two million, one hundred two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 121691693 243383386 365075079 486766772 730150158 851841851 1460300316 1703683702 2555525553 3407367404 5111051106 10222102212