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2228330977 is a prime number
BaseRepresentation
bin1000010011010001…
…1010000111100001
312202021222221102221
42010310122013201
514030423042402
61005040511041
7106135333525
oct20464320741
95667887387
102228330977
11a43920054
1252231b481
13296870a52
14171d33d85
15d0966337
hex84d1a1e1

2228330977 has 2 divisors, whose sum is σ = 2228330978. Its totient is φ = 2228330976.

The previous prime is 2228330969. The next prime is 2228330999. The reversal of 2228330977 is 7790338222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1231729216 + 996601761 = 35096^2 + 31569^2 .

It is a cyclic number.

It is not a de Polignac number, because 2228330977 - 23 = 2228330969 is a prime.

It is not a weakly prime, because it can be changed into another prime (2228330177) 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, 1114165488 + 1114165489.

It is an arithmetic number, because the mean of its divisors is an integer number (1114165489).

Almost surely, 22228330977 is an apocalyptic number.

It is an amenable number.

2228330977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228330977 is an equidigital number, since it uses as much as digits as its factorization.

2228330977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 2228330977 is about 47205.2007410201. The cubic root of 2228330977 is about 1306.1505347002.

The spelling of 2228330977 in words is "two billion, two hundred twenty-eight million, three hundred thirty thousand, nine hundred seventy-seven".