1226492329 has 2 divisors, whose sum is σ = 1226492330. Its totient is φ = 1226492328.

The previous prime is 1226492303. The next prime is 1226492369. The reversal of 1226492329 is 9232946221.

It is an a-pointer prime, because the next prime (1226492369) can be obtained adding 1226492329 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1104897600 + 121594729 = 33240^2 + 11027^2 .

It is an emirp because it is prime and its reverse (9232946221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1226492329 - 2¹³ = 1226484137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1226492291 and 1226492300.

It is not a weakly prime, because it can be changed into another prime (1226492369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613246164 + 613246165.

It is an arithmetic number, because the mean of its divisors is an integer number (613246165).

Almost surely, 2^1226492329 is an apocalyptic number.

It is an amenable number.

1226492329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226492329 is an equidigital number, since it uses as much as digits as its factorization.

1226492329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 40.

The square root of 1226492329 is about 35021.3124968211. The cubic root of 1226492329 is about 1070.4218003948.

The spelling of 1226492329 in words is "one billion, two hundred twenty-six million, four hundred ninety-two thousand, three hundred twenty-nine".