1226055629 has 2 divisors, whose sum is σ = 1226055630. Its totient is φ = 1226055628.

The previous prime is 1226055613. The next prime is 1226055631. The reversal of 1226055629 is 9265506221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 778521604 + 447534025 = 27902^2 + 21155^2 .

It is a cyclic number.

It is not a de Polignac number, because 1226055629 - 2⁴ = 1226055613 is a prime.

Together with 1226055631, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1226055592 and 1226055601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1226055679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613027814 + 613027815.

It is an arithmetic number, because the mean of its divisors is an integer number (613027815).

Almost surely, 2^1226055629 is an apocalyptic number.

It is an amenable number.

1226055629 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226055629 is an equidigital number, since it uses as much as digits as its factorization.

1226055629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 1226055629 is about 35015.0771668434. The cubic root of 1226055629 is about 1070.2947419317.

The spelling of 1226055629 in words is "one billion, two hundred twenty-six million, fifty-five thousand, six hundred twenty-nine".