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22968866 = 273157321
BaseRepresentation
bin101011110011…
…1101000100010
31121012221100202
41113213220202
521340000431
62140145202
7366142424
oct127475042
947187322
1022968866
1111a68938
127838202
1349b285b
14309c814
15203a8cb
hex15e7a22

22968866 has 8 divisors (see below), whose sum is σ = 34925484. Its totient is φ = 11327040.

The previous prime is 22968863. The next prime is 22968889. The reversal of 22968866 is 66886922.

It can be written as a sum of positive squares in 2 ways, for example, as 20475625 + 2493241 = 4525^2 + 1579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22968866.

It is not an unprimeable number, because it can be changed into a prime (22968863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78515 + ... + 78806.

Almost surely, 222968866 is an apocalyptic number.

22968866 is a deficient number, since it is larger than the sum of its proper divisors (11956618).

22968866 is a wasteful number, since it uses less digits than its factorization.

22968866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157396.

The product of its digits is 497664, while the sum is 47.

The square root of 22968866 is about 4792.5844802152. The cubic root of 22968866 is about 284.2583198173.

The spelling of 22968866 in words is "twenty-two million, nine hundred sixty-eight thousand, eight hundred sixty-six".

Divisors: 1 2 73 146 157321 314642 11484433 22968866