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2202139 is a prime number
BaseRepresentation
bin1000011001101000011011
311010212202201
420121220123
51030432024
6115111031
724501142
oct10315033
94125681
102202139
111274555
128a2477
135c1454
14414759
152d7744
hex219a1b

2202139 has 2 divisors, whose sum is σ = 2202140. Its totient is φ = 2202138.

The previous prime is 2202133. The next prime is 2202149. The reversal of 2202139 is 9312022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2202139 - 23 = 2202131 is a prime.

It is a Chen prime.

It is equal to p162811 and since 2202139 and 162811 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2202131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101069 + 1101070.

It is an arithmetic number, because the mean of its divisors is an integer number (1101070).

22202139 is an apocalyptic number.

2202139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202139 is an equidigital number, since it uses as much as digits as its factorization.

2202139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2202139 is about 1483.9605789912. The cubic root of 2202139 is about 130.1012820182.

The spelling of 2202139 in words is "two million, two hundred two thousand, one hundred thirty-nine".