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84222185 = 5139179677
BaseRepresentation
bin1010000010100…
…10000011101001
312212110221010012
411001102003221
5133030102220
612205101305
72041606505
oct501220351
9185427105
1084222185
11435a5413
1224257835
13145ab118
14b285305
1575d9ac5
hex50520e9

84222185 has 16 divisors (see below), whose sum is σ = 102513600. Its totient is φ = 66421056.

The previous prime is 84222181. The next prime is 84222191. The reversal of 84222185 is 58122248.

It is a cyclic number.

It is not a de Polignac number, because 84222185 - 22 = 84222181 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84222181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124067 + ... + 124743.

It is an arithmetic number, because the mean of its divisors is an integer number (6407100).

Almost surely, 284222185 is an apocalyptic number.

It is an amenable number.

84222185 is a deficient number, since it is larger than the sum of its proper divisors (18291415).

84222185 is a wasteful number, since it uses less digits than its factorization.

84222185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000.

The product of its digits is 10240, while the sum is 32.

The square root of 84222185 is about 9177.2645706659. The cubic root of 84222185 is about 438.3377103307.

The spelling of 84222185 in words is "eighty-four million, two hundred twenty-two thousand, one hundred eighty-five".

Divisors: 1 5 139 179 677 695 895 3385 24881 94103 121183 124405 470515 605915 16844437 84222185