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2216267925 = 352231284793
BaseRepresentation
bin1000010000011001…
…1001000010010101
312201110022002001020
42010012121002111
514014331033200
61003530151353
7105630652344
oct20406310225
95643262036
102216267925
11a38030993
1251a282559
13294209151
141704b3b5b
15ce881ea0
hex84199095

2216267925 has 24 divisors (see below), whose sum is σ = 3823546944. Its totient is φ = 1130616960.

The previous prime is 2216267891. The next prime is 2216267929. The reversal of 2216267925 is 5297626122.

It is not a de Polignac number, because 2216267925 - 26 = 2216267861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216267929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 640672 + ... + 644121.

It is an arithmetic number, because the mean of its divisors is an integer number (159314456).

Almost surely, 22216267925 is an apocalyptic number.

2216267925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2216267925 is a deficient number, since it is larger than the sum of its proper divisors (1607279019).

2216267925 is a wasteful number, since it uses less digits than its factorization.

2216267925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284829 (or 1284824 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 2216267925 is about 47077.2548583708. The cubic root of 2216267925 is about 1303.7893235885.

The spelling of 2216267925 in words is "two billion, two hundred sixteen million, two hundred sixty-seven thousand, nine hundred twenty-five".

Divisors: 1 3 5 15 23 25 69 75 115 345 575 1725 1284793 3854379 6423965 19271895 29550239 32119825 88650717 96359475 147751195 443253585 738755975 2216267925