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22708868 = 2271324799
BaseRepresentation
bin101011010100…
…0001010000100
31120201201201012
41112220022010
521303140433
62130421352
7364010420
oct126501204
946651635
1022708868
1111900566
127731858
134921400
143031b80
151ed8848
hex15a8284

22708868 has 36 divisors (see below), whose sum is σ = 49190400. Its totient is φ = 8981856.

The previous prime is 22708867. The next prime is 22708871. The reversal of 22708868 is 86880722.

It is not an unprimeable number, because it can be changed into a prime (22708867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2333 + ... + 7131.

It is an arithmetic number, because the mean of its divisors is an integer number (1366400).

Almost surely, 222708868 is an apocalyptic number.

22708868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22708868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24595200).

22708868 is an abundant number, since it is smaller than the sum of its proper divisors (26481532).

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

22708868 is a wasteful number, since it uses less digits than its factorization.

22708868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4836 (or 4821 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 22708868 is about 4765.3822511945. The cubic root of 22708868 is about 283.1816852456.

The spelling of 22708868 in words is "twenty-two million, seven hundred eight thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 13 14 26 28 52 91 169 182 338 364 676 1183 2366 4732 4799 9598 19196 33593 62387 67186 124774 134372 249548 436709 811031 873418 1622062 1746836 3244124 5677217 11354434 22708868