2228784049 has 2 divisors, whose sum is σ = 2228784050. Its totient is φ = 2228784048.

The previous prime is 2228784043. The next prime is 2228784053. The reversal of 2228784049 is 9404878222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1977403024 + 251381025 = 44468^2 + 15855^2 .

It is a cyclic number.

It is not a de Polignac number, because 2228784049 - 2⁵ = 2228784017 is a prime.

It is not a weakly prime, because it can be changed into another prime (2228784043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114392024 + 1114392025.

It is an arithmetic number, because the mean of its divisors is an integer number (1114392025).

Almost surely, 2^2228784049 is an apocalyptic number.

It is an amenable number.

2228784049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228784049 is an equidigital number, since it uses as much as digits as its factorization.

2228784049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 516096, while the sum is 46.

The square root of 2228784049 is about 47209.9994598602. Note that the first 3 decimals coincide. The cubic root of 2228784049 is about 1306.2390523903.

The spelling of 2228784049 in words is "two billion, two hundred twenty-eight million, seven hundred eighty-four thousand, forty-nine".