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22821068 = 2217931873
BaseRepresentation
bin101011100001…
…1100011001100
31120221102121202
41113003203030
521320233233
62133045032
7364655504
oct127034314
946842552
1022821068
1111977896
127786778
1349604ba
143060a04
15200bbe8
hex15c38cc

22821068 has 12 divisors (see below), whose sum is σ = 40161240. Its totient is φ = 11346432.

The previous prime is 22821031. The next prime is 22821077. The reversal of 22821068 is 86012822.

It is a super-3 number, since 3×228210683 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 22821068.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15221 + ... + 16652.

It is an arithmetic number, because the mean of its divisors is an integer number (3346770).

Almost surely, 222821068 is an apocalyptic number.

It is an amenable number.

22821068 is a deficient number, since it is larger than the sum of its proper divisors (17340172).

22821068 is a wasteful number, since it uses less digits than its factorization.

22821068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32056 (or 32054 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 22821068 is about 4777.1401486664. The cubic root of 22821068 is about 283.6473007084.

The spelling of 22821068 in words is "twenty-two million, eight hundred twenty-one thousand, sixty-eight".

Divisors: 1 2 4 179 358 716 31873 63746 127492 5705267 11410534 22821068