33144422 has 4 divisors (see below), whose sum is σ = 49716636. Its totient is φ = 16572210.

The previous prime is 33144413. The next prime is 33144481. The reversal of 33144422 is 22444133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22444133 = 389 ⋅57697.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8286104 + ... + 8286107.

It is an arithmetic number, because the mean of its divisors is an integer number (12429159).

Almost surely, 2^33144422 is an apocalyptic number.

33144422 is a deficient number, since it is larger than the sum of its proper divisors (16572214).

33144422 is a wasteful number, since it uses less digits than its factorization.

33144422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16572213.

The product of its digits is 2304, while the sum is 23.

The square root of 33144422 is about 5757.1192449002. The cubic root of 33144422 is about 321.2206697523.

Adding to 33144422 its reverse (22444133), we get a palindrome (55588555).

The spelling of 33144422 in words is "thirty-three million, one hundred forty-four thousand, four hundred twenty-two".