1222211033 has 4 divisors (see below), whose sum is σ = 1224148608. Its totient is φ = 1220273460.

The previous prime is 1222211017. The next prime is 1222211057. The reversal of 1222211033 is 3301122221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3301122221 = 47 ⋅70236643.

It is a cyclic number.

It is not a de Polignac number, because 1222211033 - 2⁴ = 1222211017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222211093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 967841 + ... + 969102.

It is an arithmetic number, because the mean of its divisors is an integer number (306037152).

Almost surely, 2^1222211033 is an apocalyptic number.

It is an amenable number.

1222211033 is a deficient number, since it is larger than the sum of its proper divisors (1937575).

1222211033 is an equidigital number, since it uses as much as digits as its factorization.

1222211033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937574.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1222211033 is about 34960.1349110669. The cubic root of 1222211033 is about 1069.1748472783.

Adding to 1222211033 its reverse (3301122221), we get a palindrome (4523333254).

The spelling of 1222211033 in words is "one billion, two hundred twenty-two million, two hundred eleven thousand, thirty-three".