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2228777 is a prime number
BaseRepresentation
bin1000100000001000101001
311012020022022
420200020221
51032310102
6115434225
724641615
oct10401051
94166268
102228777
111292571
128b5975
13600605
14420345
152e05a2
hex220229

2228777 has 2 divisors, whose sum is σ = 2228778. Its totient is φ = 2228776.

The previous prime is 2228771. The next prime is 2228783. The reversal of 2228777 is 7778222.

It is a balanced prime because it is at equal distance from previous prime (2228771) and next prime (2228783).

It can be written as a sum of positive squares in only one way, i.e., 2085136 + 143641 = 1444^2 + 379^2 .

It is a cyclic number.

It is not a de Polignac number, because 2228777 - 26 = 2228713 is a prime.

It is not a weakly prime, because it can be changed into another prime (2228771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114388 + 1114389.

It is an arithmetic number, because the mean of its divisors is an integer number (1114389).

22228777 is an apocalyptic number.

It is an amenable number.

2228777 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228777 is an equidigital number, since it uses as much as digits as its factorization.

2228777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21952, while the sum is 35.

The square root of 2228777 is about 1492.9089054594. The cubic root of 2228777 is about 130.6237675303.

The spelling of 2228777 in words is "two million, two hundred twenty-eight thousand, seven hundred seventy-seven".