223020533 has 2 divisors, whose sum is σ = 223020534. Its totient is φ = 223020532.

The previous prime is 223020521. The next prime is 223020587. The reversal of 223020533 is 335020322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195384484 + 27636049 = 13978^2 + 5257^2 .

It is a cyclic number.

It is not a de Polignac number, because 223020533 - 2¹⁶ = 222954997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223020503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111510266 + 111510267.

It is an arithmetic number, because the mean of its divisors is an integer number (111510267).

Almost surely, 2^223020533 is an apocalyptic number.

It is an amenable number.

223020533 is a deficient number, since it is larger than the sum of its proper divisors (1).

223020533 is an equidigital number, since it uses as much as digits as its factorization.

223020533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 223020533 is about 14933.8720029335. The cubic root of 223020533 is about 606.4313109452.

Adding to 223020533 its reverse (335020322), we get a palindrome (558040855).

The spelling of 223020533 in words is "two hundred twenty-three million, twenty thousand, five hundred thirty-three".