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23222224113440 = 25511196431080007
BaseRepresentation
bin1010100011110110110000…
…11010110100111100100000
310001020000121201121101220212
411101323120122310330200
511020433103333112230
6121220050435353252
74614515235046442
oct521733032647440
9101200551541825
1023222224113440
117443543123310
122730757a52828
13cc5b00532891
145a3d66a74492
152a40e3b9b895
hex151ed86b4f20

23222224113440 has 192 divisors, whose sum is σ = 63098041789440. Its totient is φ = 7987551575040.

The previous prime is 23222224113359. The next prime is 23222224113461. The reversal of 23222224113440 is 4431142222232.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 23222224113397 and 23222224113406.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20961917 + ... + 22041923.

It is an arithmetic number, because the mean of its divisors is an integer number (328635634320).

Almost surely, 223222224113440 is an apocalyptic number.

23222224113440 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 23222224113440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31549020894720).

23222224113440 is an abundant number, since it is smaller than the sum of its proper divisors (39875817676000).

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

23222224113440 is a wasteful number, since it uses less digits than its factorization.

23222224113440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080695 (or 1080687 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 23222224113440 its reverse (4431142222232), we get a palindrome (27653366335672).

The spelling of 23222224113440 in words is "twenty-three trillion, two hundred twenty-two billion, two hundred twenty-four million, one hundred thirteen thousand, four hundred forty".