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2216087 is a prime number
BaseRepresentation
bin1000011101000010010111
311011120220022
420131002113
51031403322
6115255355
724556616
oct10350227
94146808
102216087
111283a85
128aa55b
135c78c3
1441987d
152db942
hex21d097

2216087 has 2 divisors, whose sum is σ = 2216088. Its totient is φ = 2216086.

The previous prime is 2216083. The next prime is 2216101. The reversal of 2216087 is 7806122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2216087 - 22 = 2216083 is a prime.

It is a super-2 number, since 2×22160872 = 9822083183138, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2216083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108043 + 1108044.

It is an arithmetic number, because the mean of its divisors is an integer number (1108044).

22216087 is an apocalyptic number.

2216087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216087 is an equidigital number, since it uses as much as digits as its factorization.

2216087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 2216087 is about 1488.6527466135. The cubic root of 2216087 is about 130.3753844349.

The spelling of 2216087 in words is "two million, two hundred sixteen thousand, eighty-seven".