1226220233 has 8 divisors (see below), whose sum is σ = 1475152320. Its totient is φ = 995727600.

The previous prime is 1226220211. The next prime is 1226220239. The reversal of 1226220233 is 3320226221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1226220233 - 2⁸ = 1226219977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1226220199 and 1226220208.

It is not an unprimeable number, because it can be changed into a prime (1226220239) 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 in 7 ways as a sum of consecutive naturals, for example, 4609718 + ... + 4609983.

It is an arithmetic number, because the mean of its divisors is an integer number (184394040).

Almost surely, 2^1226220233 is an apocalyptic number.

It is an amenable number.

1226220233 is a deficient number, since it is larger than the sum of its proper divisors (248932087).

1226220233 is an equidigital number, since it uses as much as digits as its factorization.

1226220233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9219727.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1226220233 is about 35017.4275611445. The cubic root of 1226220233 is about 1070.3426372332.

Adding to 1226220233 its reverse (3320226221), we get a palindrome (4546446454).

The spelling of 1226220233 in words is "one billion, two hundred twenty-six million, two hundred twenty thousand, two hundred thirty-three".