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22442022222220 = 2254354499478823
BaseRepresentation
bin1010001101001001100001…
…10000110011100110001100
32221110102210010002210111101
411012210300300303212030
510420142230142102340
6115421420033232444
74504245142306246
oct506446060634614
987412703083441
1022442022222220
117172676533797
1226254b7a02724
13c6a373193a93
145782b1c7d096
1528db7da45c9a
hex146930c3398c

22442022222220 has 48 divisors (see below), whose sum is σ = 48225237984000. Its totient is φ = 8767866695616.

The previous prime is 22442022222197. The next prime is 22442022222241. The reversal of 22442022222220 is 2222222024422.

It is a super-2 number, since 2×224420222222202 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46629729 + ... + 47108551.

It is an arithmetic number, because the mean of its divisors is an integer number (1004692458000).

Almost surely, 222442022222220 is an apocalyptic number.

22442022222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22442022222220 is an abundant number, since it is smaller than the sum of its proper divisors (25783215761780).

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

22442022222220 is a wasteful number, since it uses less digits than its factorization.

22442022222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533374 (or 533372 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 22442022222220 its reverse (2222222024422), we get a palindrome (24664244246642).

The spelling of 22442022222220 in words is "twenty-two trillion, four hundred forty-two billion, twenty-two million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 54499 108998 217996 272495 478823 544990 957646 1089980 1915292 2343457 2394115 4686914 4788230 9373828 9576460 11717285 20589389 23434570 41178778 46869140 82357556 102946945 205893890 411787780 26095374677 52190749354 104381498708 130476873385 260953746770 521907493540 1122101111111 2244202222222 4488404444444 5610505555555 11221011111110 22442022222220