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10222020202221 = 331729767937811
BaseRepresentation
bin1001010010111111111111…
…1000100000111011101101
31100012012211011102010001000
42110233333320200323231
52314434144132432341
633423533052310513
72103342122050512
oct224577770407355
940165734363030
1010222020202221
113291152a0a053
121191119a72439
13591c17550b49
14274a6992d309
1512ad716868b6
hex94bffe20eed

10222020202221 has 32 divisors (see below), whose sum is σ = 16587456739200. Its totient is φ = 6192650499840.

The previous prime is 10222020202189. The next prime is 10222020202231. The reversal of 10222020202221 is 12220202022201.

10222020202221 is a `hidden beast` number, since 1 + 0 + 2 + 220 + 20 + 202 + 221 = 666.

It is not a de Polignac number, because 10222020202221 - 25 = 10222020202189 is a prime.

It is a super-2 number, since 2×102220202022212 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10222020202194 and 10222020202203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222020202231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 383955595 + ... + 383982216.

It is an arithmetic number, because the mean of its divisors is an integer number (518358023100).

Almost surely, 210222020202221 is an apocalyptic number.

It is an amenable number.

10222020202221 is a deficient number, since it is larger than the sum of its proper divisors (6365436536979).

10222020202221 is a wasteful number, since it uses less digits than its factorization.

10222020202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767937866 (or 767937860 counting only the distinct ones).

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

Adding to 10222020202221 its reverse (12220202022201), we get a palindrome (22442222224422).

The spelling of 10222020202221 in words is "ten trillion, two hundred twenty-two billion, twenty million, two hundred two thousand, two hundred twenty-one".

Divisors: 1 3 9 17 27 29 51 87 153 261 459 493 783 1479 4437 13311 767937811 2303813433 6911440299 13054942787 20734320897 22270196519 39164828361 66810589557 117494485083 200431768671 352483455249 378593340823 601295306013 1135780022469 3407340067407 10222020202221