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22797800455 = 54559560091
BaseRepresentation
bin10101001110110110…
…101101010000000111
32011211211002020221211
4111032312231100013
5333142214103310
614250111552251
71434644051353
oct251666552007
964754066854
1022797800455
119739844a01
124502b2b687
1321c4214971
141163ad6463
158d66bdc8a
hex54edad407

22797800455 has 4 divisors (see below), whose sum is σ = 27357360552. Its totient is φ = 18238240360.

The previous prime is 22797800437. The next prime is 22797800483. The reversal of 22797800455 is 55400879722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55400879722 = 227700439861.

It is not a de Polignac number, because 22797800455 - 217 = 22797669383 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22797800399 and 22797800408.

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, 2279780041 + ... + 2279780050.

It is an arithmetic number, because the mean of its divisors is an integer number (6839340138).

Almost surely, 222797800455 is an apocalyptic number.

22797800455 is a deficient number, since it is larger than the sum of its proper divisors (4559560097).

22797800455 is an equidigital number, since it uses as much as digits as its factorization.

22797800455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4559560096.

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 22797800455 in words is "twenty-two billion, seven hundred ninety-seven million, eight hundred thousand, four hundred fifty-five".

Divisors: 1 5 4559560091 22797800455