202230073 has 2 divisors, whose sum is σ = 202230074. Its totient is φ = 202230072.

The previous prime is 202230047. The next prime is 202230103. The reversal of 202230073 is 370032202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121176064 + 81054009 = 11008^2 + 9003^2 .

It is a cyclic number.

It is not a de Polignac number, because 202230073 - 2²¹ = 200132921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202230073.

It is not a weakly prime, because it can be changed into another prime (202230173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101115036 + 101115037.

It is an arithmetic number, because the mean of its divisors is an integer number (101115037).

Almost surely, 2^202230073 is an apocalyptic number.

It is an amenable number.

202230073 is a deficient number, since it is larger than the sum of its proper divisors (1).

202230073 is an equidigital number, since it uses as much as digits as its factorization.

202230073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 202230073 is about 14220.7620400596. The cubic root of 202230073 is about 586.9691095442.

Adding to 202230073 its reverse (370032202), we get a palindrome (572262275).

The spelling of 202230073 in words is "two hundred two million, two hundred thirty thousand, seventy-three".