1226233219 has 2 divisors, whose sum is σ = 1226233220. Its totient is φ = 1226233218.

The previous prime is 1226233213. The next prime is 1226233259. The reversal of 1226233219 is 9123326221.

It is a weak prime.

It is an emirp because it is prime and its reverse (9123326221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1226233219 - 2⁷ = 1226233091 is a prime.

It is a super-2 number, since 2×1226233219² = 3007295814758203922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1226233213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613116609 + 613116610.

It is an arithmetic number, because the mean of its divisors is an integer number (613116610).

Almost surely, 2^1226233219 is an apocalyptic number.

1226233219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226233219 is an equidigital number, since it uses as much as digits as its factorization.

1226233219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 31.

The square root of 1226233219 is about 35017.6129826121. The cubic root of 1226233219 is about 1070.3464156247.

The spelling of 1226233219 in words is "one billion, two hundred twenty-six million, two hundred thirty-three thousand, two hundred nineteen".