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83222227 = 112687787
BaseRepresentation
bin1001111010111…
…01111011010011
312210121010102201
410331131323103
5132301102402
612131424031
72030243254
oct475357323
9183533381
1083222227
1142a82100
1223a55017
131431ac2a
14b0a4b2b
15748d687
hex4f5ded3

83222227 has 6 divisors (see below), whose sum is σ = 91475804. Its totient is φ = 75656460.

The previous prime is 83222207. The next prime is 83222231. The reversal of 83222227 is 72222238.

It is not a de Polignac number, because 83222227 - 219 = 82697939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83222195 and 83222204.

It is not an unprimeable number, because it can be changed into a prime (83222207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 343773 + ... + 344014.

Almost surely, 283222227 is an apocalyptic number.

83222227 is a deficient number, since it is larger than the sum of its proper divisors (8253577).

83222227 is a wasteful number, since it uses less digits than its factorization.

83222227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687809 (or 687798 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 83222227 is about 9122.6217174670. The cubic root of 83222227 is about 436.5960253874.

The spelling of 83222227 in words is "eighty-three million, two hundred twenty-two thousand, two hundred twenty-seven".

Divisors: 1 11 121 687787 7565657 83222227