1228254329 has 2 divisors, whose sum is σ = 1228254330. Its totient is φ = 1228254328.

The previous prime is 1228254323. The next prime is 1228254361. The reversal of 1228254329 is 9234528221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 617423104 + 610831225 = 24848^2 + 24715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1228254329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1228254292 and 1228254301.

It is not a weakly prime, because it can be changed into another prime (1228254323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614127164 + 614127165.

It is an arithmetic number, because the mean of its divisors is an integer number (614127165).

Almost surely, 2^1228254329 is an apocalyptic number.

It is an amenable number.

1228254329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228254329 is an equidigital number, since it uses as much as digits as its factorization.

1228254329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 38.

The square root of 1228254329 is about 35046.4595786793. The cubic root of 1228254329 is about 1070.9341505864.

The spelling of 1228254329 in words is "one billion, two hundred twenty-eight million, two hundred fifty-four thousand, three hundred twenty-nine".