22044433 has 2 divisors, whose sum is σ = 22044434. Its totient is φ = 22044432.

The previous prime is 22044413. The next prime is 22044439. The reversal of 22044433 is 33444022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17833729 + 4210704 = 4223^2 + 2052^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22044433 is a prime.

It is not a weakly prime, because it can be changed into another prime (22044439) 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 as a sum of consecutive naturals, namely, 11022216 + 11022217.

It is an arithmetic number, because the mean of its divisors is an integer number (11022217).

Almost surely, 2^22044433 is an apocalyptic number.

It is an amenable number.

22044433 is a deficient number, since it is larger than the sum of its proper divisors (1).

22044433 is an equidigital number, since it uses as much as digits as its factorization.

22044433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 22044433 is about 4695.1499443575. The cubic root of 22044433 is about 280.3924471393.

Adding to 22044433 its reverse (33444022), we get a palindrome (55488455).

The spelling of 22044433 in words is "twenty-two million, forty-four thousand, four hundred thirty-three".