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2228227590897 = 3371121979139467
BaseRepresentation
bin100000011011001100101…
…101101100101011110001
321220000110000022201122000
4200123030231230223301
5243001402230402042
64423344510204213
7316661362006320
oct40331455545361
97800400281560
102228227590897
11789a93426900
122bba18ab3669
13132175998b49
1479bbd8460b7
153ce6467274c
hex206ccb6caf1

2228227590897 has 384 divisors, whose sum is σ = 4461649920000. Its totient is φ = 1072626572160.

The previous prime is 2228227590889. The next prime is 2228227590947. The reversal of 2228227590897 is 7980957228222.

2228227590897 is a `hidden beast` number, since 2 + 2 + 282 + 275 + 9 + 0 + 89 + 7 = 666.

2228227590897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2228227590897 - 23 = 2228227590889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (2228227590817) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 4771365058 + ... + 4771365524.

It is an arithmetic number, because the mean of its divisors is an integer number (11618880000).

Almost surely, 22228227590897 is an apocalyptic number.

2228227590897 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2228227590897 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2228227590897 is a wasteful number, since it uses less digits than its factorization.

2228227590897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 63.

The spelling of 2228227590897 in words is "two trillion, two hundred twenty-eight billion, two hundred twenty-seven million, five hundred ninety thousand, eight hundred ninety-seven".