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2227913 is a prime number
BaseRepresentation
bin1000011111111011001001
311012012010022
420133323021
51032243123
6115430225
724636242
oct10377311
94165108
102227913
111291956
128b5375
136000bc
1441dcc9
152e01c8
hex21fec9

2227913 has 2 divisors, whose sum is σ = 2227914. Its totient is φ = 2227912.

The previous prime is 2227889. The next prime is 2227919. The reversal of 2227913 is 3197222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2226064 + 1849 = 1492^2 + 43^2 .

It is a cyclic number.

It is not a de Polignac number, because 2227913 - 28 = 2227657 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2227919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113956 + 1113957.

It is an arithmetic number, because the mean of its divisors is an integer number (1113957).

22227913 is an apocalyptic number.

It is an amenable number.

2227913 is a deficient number, since it is larger than the sum of its proper divisors (1).

2227913 is an equidigital number, since it uses as much as digits as its factorization.

2227913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 26.

The square root of 2227913 is about 1492.6195094531. The cubic root of 2227913 is about 130.6068862958.

The spelling of 2227913 in words is "two million, two hundred twenty-seven thousand, nine hundred thirteen".