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22828409940 = 22357197573779
BaseRepresentation
bin10101010000101011…
…011110010001010100
32011220221200101021110
4111100223132101110
5333223033104230
614253124015020
71435465166010
oct252053362124
964827611243
1022828409940
1197550512a6
124511231470
1321ca67119b
141167bc3540
158d92184b0
hex550ade454

22828409940 has 192 divisors, whose sum is σ = 77017651200. Its totient is φ = 4935458304.

The previous prime is 22828409927. The next prime is 22828409957. The reversal of 22828409940 is 4990482822.

It is a super-2 number, since 2×228284099402 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22828409940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6038971 + ... + 6042749.

It is an arithmetic number, because the mean of its divisors is an integer number (401133600).

Almost surely, 222828409940 is an apocalyptic number.

22828409940 is a gapful number since it is divisible by the number (20) 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 22828409940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38508825600).

22828409940 is an abundant number, since it is smaller than the sum of its proper divisors (54189241260).

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

22828409940 is a wasteful number, since it uses less digits than its factorization.

22828409940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4574 (or 4572 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 22828409940 in words is "twenty-two billion, eight hundred twenty-eight million, four hundred nine thousand, nine hundred forty".