1222355033 has 4 divisors (see below), whose sum is σ = 1275500928. Its totient is φ = 1169209140.

The previous prime is 1222355011. The next prime is 1222355081. The reversal of 1222355033 is 3305532221.

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: 3305532221 = 14153 ⋅233557.

It is not a de Polignac number, because 1222355033 - 2¹² = 1222350937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222354993 and 1222355011.

It is not an unprimeable number, because it can be changed into a prime (1222355003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26572913 + ... + 26572958.

It is an arithmetic number, because the mean of its divisors is an integer number (318875232).

Almost surely, 2^1222355033 is an apocalyptic number.

It is an amenable number.

1222355033 is a deficient number, since it is larger than the sum of its proper divisors (53145895).

1222355033 is an equidigital number, since it uses as much as digits as its factorization.

1222355033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53145894.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 1222355033 is about 34962.1943390286. The cubic root of 1222355033 is about 1069.2168354259.

Adding to 1222355033 its reverse (3305532221), we get a palindrome (4527887254).

The spelling of 1222355033 in words is "one billion, two hundred twenty-two million, three hundred fifty-five thousand, thirty-three".