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22212122220212 = 2283743178950333
BaseRepresentation
bin1010000110011101010011…
…01001111001011010110100
32220122110100222200122002012
411003032221221321122310
510402410411242021322
6115124035202303352
74451526044446601
oct503165151713264
986573328618065
1022212122220212
117094120a19531
1225a8a36957b58
13c51795422432
1456b102b436a8
15287bc564bae2
hex1433a9a796b4

22212122220212 has 48 divisors (see below), whose sum is σ = 39415291009920. Its totient is φ = 10951143143808.

The previous prime is 22212122220179. The next prime is 22212122220227. The reversal of 22212122220212 is 21202222121222.

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 15 ways as a sum of consecutive naturals, for example, 441278198 + ... + 441328530.

It is an arithmetic number, because the mean of its divisors is an integer number (821151896040).

Almost surely, 222212122220212 is an apocalyptic number.

It is an amenable number.

22212122220212 is a deficient number, since it is larger than the sum of its proper divisors (17203168789708).

22212122220212 is a wasteful number, since it uses less digits than its factorization.

22212122220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52952 (or 52950 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 22212122220212 its reverse (21202222121222), we get a palindrome (43414344341434).

The spelling of 22212122220212 in words is "twenty-two trillion, two hundred twelve billion, one hundred twenty-two million, two hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 83 166 332 743 1486 1789 2972 3578 7156 50333 61669 100666 123338 148487 201332 246676 296974 593948 1329227 2658454 4177639 5316908 8355278 16710556 37397419 74794838 90045737 110325841 149589676 180091474 220651682 360182948 441303364 3103985777 6207971554 7473796171 12415943108 14947592342 29895184684 66903982591 133807965182 267615930364 5553030555053 11106061110106 22212122220212