22033361 has 4 divisors (see below), whose sum is σ = 25180992. Its totient is φ = 18885732.

The previous prime is 22033339. The next prime is 22033391. The reversal of 22033361 is 16333022.

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.

It is a cyclic number.

It is not a de Polignac number, because 22033361 - 2¹⁰ = 22032337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22033321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1573805 + ... + 1573818.

It is an arithmetic number, because the mean of its divisors is an integer number (6295248).

Almost surely, 2^22033361 is an apocalyptic number.

It is an amenable number.

22033361 is a deficient number, since it is larger than the sum of its proper divisors (3147631).

22033361 is an equidigital number, since it uses as much as digits as its factorization.

22033361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147630.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 22033361 is about 4693.9707071945. The cubic root of 22033361 is about 280.3454961309.

Adding to 22033361 its reverse (16333022), we get a palindrome (38366383).

The spelling of 22033361 in words is "twenty-two million, thirty-three thousand, three hundred sixty-one".