33222443 has 2 divisors, whose sum is σ = 33222444. Its totient is φ = 33222442.

The previous prime is 33222433. The next prime is 33222463. The reversal of 33222443 is 34422233.

It is a weak prime.

It is an emirp because it is prime and its reverse (34422233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33222443 - 2⁶ = 33222379 is a prime.

It is a super-2 number, since 2×33222443² = 2207461437776498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33222433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16611221 + 16611222.

It is an arithmetic number, because the mean of its divisors is an integer number (16611222).

Almost surely, 2^33222443 is an apocalyptic number.

33222443 is a deficient number, since it is larger than the sum of its proper divisors (1).

33222443 is an equidigital number, since it uses as much as digits as its factorization.

33222443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 23.

The square root of 33222443 is about 5763.8913070945. The cubic root of 33222443 is about 321.4725202599.

Adding to 33222443 its reverse (34422233), we get a palindrome (67644676).

The spelling of 33222443 in words is "thirty-three million, two hundred twenty-two thousand, four hundred forty-three".