2228277929 has 2 divisors, whose sum is σ = 2228277930. Its totient is φ = 2228277928.

The previous prime is 2228277917. The next prime is 2228277979. The reversal of 2228277929 is 9297728222.

It is an a-pointer prime, because the next prime (2228277979) can be obtained adding 2228277929 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1527246400 + 701031529 = 39080^2 + 26477^2 .

It is a cyclic number.

It is not a de Polignac number, because 2228277929 - 2⁴ = 2228277913 is a prime.

It is not a weakly prime, because it can be changed into another prime (2228277979) 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, 1114138964 + 1114138965.

It is an arithmetic number, because the mean of its divisors is an integer number (1114138965).

Almost surely, 2^2228277929 is an apocalyptic number.

It is an amenable number.

2228277929 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228277929 is an equidigital number, since it uses as much as digits as its factorization.

2228277929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 50.

The square root of 2228277929 is about 47204.6388504350. The cubic root of 2228277929 is about 1306.1401698092.

The spelling of 2228277929 in words is "two billion, two hundred twenty-eight million, two hundred seventy-seven thousand, nine hundred twenty-nine".