22033133 has 2 divisors, whose sum is σ = 22033134. Its totient is φ = 22033132.

The previous prime is 22033117. The next prime is 22033147. The reversal of 22033133 is 33133022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19166884 + 2866249 = 4378^2 + 1693^2 .

It is a cyclic number.

It is not a de Polignac number, because 22033133 - 2⁴ = 22033117 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22033153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11016566 + 11016567.

It is an arithmetic number, because the mean of its divisors is an integer number (11016567).

Almost surely, 2^22033133 is an apocalyptic number.

It is an amenable number.

22033133 is a deficient number, since it is larger than the sum of its proper divisors (1).

22033133 is an equidigital number, since it uses as much as digits as its factorization.

22033133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 22033133 is about 4693.9464206571. The cubic root of 22033133 is about 280.3445291277.

Adding to 22033133 its reverse (33133022), we get a palindrome (55166155).

The spelling of 22033133 in words is "twenty-two million, thirty-three thousand, one hundred thirty-three".