2228909077 has 2 divisors, whose sum is σ = 2228909078. Its totient is φ = 2228909076.

The previous prime is 2228909051. The next prime is 2228909099. The reversal of 2228909077 is 7709098222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1353577681 + 875331396 = 36791^2 + 29586^2 .

It is a cyclic number.

It is not a de Polignac number, because 2228909077 - 2²³ = 2220520469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2228909027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114454538 + 1114454539.

It is an arithmetic number, because the mean of its divisors is an integer number (1114454539).

Almost surely, 2^2228909077 is an apocalyptic number.

It is an amenable number.

2228909077 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228909077 is an equidigital number, since it uses as much as digits as its factorization.

2228909077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 2228909077 is about 47211.3236099138. The cubic root of 2228909077 is about 1306.2634772783.

The spelling of 2228909077 in words is "two billion, two hundred twenty-eight million, nine hundred nine thousand, seventy-seven".