33444222 has 16 divisors (see below), whose sum is σ = 76444032. Its totient is φ = 9555480.

The previous prime is 33444211. The next prime is 33444227. The reversal of 33444222 is 22244433.

It is a super-2 number, since 2×33444222² = 2237031970370568, which contains 22 as substring.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 33444192 and 33444201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33444227) 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 7 ways as a sum of consecutive naturals, for example, 398104 + ... + 398187.

It is an arithmetic number, because the mean of its divisors is an integer number (4777752).

Almost surely, 2^33444222 is an apocalyptic number.

33444222 is an abundant number, since it is smaller than the sum of its proper divisors (42999810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33444222 is a wasteful number, since it uses less digits than its factorization.

33444222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796303.

The product of its digits is 4608, while the sum is 24.

The square root of 33444222 is about 5783.0979587069. The cubic root of 33444222 is about 322.1862726353.

Adding to 33444222 its reverse (22244433), we get a palindrome (55688655).

The spelling of 33444222 in words is "thirty-three million, four hundred forty-four thousand, two hundred twenty-two".