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22842868 = 227378229
BaseRepresentation
bin101011100100…
…0110111110100
31120222112112011
41113020313310
521321432433
62133334004
7365106166
oct127106764
946875464
1022842868
1111992204
127797304
13496a3b9
143068936
1520133cd
hex15c8df4

22842868 has 12 divisors (see below), whose sum is σ = 40523140. Its totient is φ = 11264832.

The previous prime is 22842857. The next prime is 22842881. The reversal of 22842868 is 86824822.

It can be written as a sum of positive squares in 2 ways, for example, as 15069924 + 7772944 = 3882^2 + 2788^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22842868.

It is a congruent number.

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, 38823 + ... + 39406.

Almost surely, 222842868 is an apocalyptic number.

It is an amenable number.

22842868 is a deficient number, since it is larger than the sum of its proper divisors (17680272).

22842868 is a wasteful number, since it uses less digits than its factorization.

22842868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78306 (or 78304 counting only the distinct ones).

The product of its digits is 98304, while the sum is 40.

The square root of 22842868 is about 4779.4213038819. The cubic root of 22842868 is about 283.7375907166.

The spelling of 22842868 in words is "twenty-two million, eight hundred forty-two thousand, eight hundred sixty-eight".

Divisors: 1 2 4 73 146 292 78229 156458 312916 5710717 11421434 22842868