505226233 has 2 divisors, whose sum is σ = 505226234. Its totient is φ = 505226232.

The previous prime is 505226203. The next prime is 505226243. The reversal of 505226233 is 332622505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 496977849 + 8248384 = 22293^2 + 2872^2 .

It is a cyclic number.

It is not a de Polignac number, because 505226233 - 2²⁵ = 471671801 is a prime.

It is a super-2 number, since 2×505226233² = 510507093022740578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (505226203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252613116 + 252613117.

It is an arithmetic number, because the mean of its divisors is an integer number (252613117).

Almost surely, 2^505226233 is an apocalyptic number.

It is an amenable number.

505226233 is a deficient number, since it is larger than the sum of its proper divisors (1).

505226233 is an equidigital number, since it uses as much as digits as its factorization.

505226233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 505226233 is about 22477.2381088069. The cubic root of 505226233 is about 796.4563224683.

Adding to 505226233 its reverse (332622505), we get a palindrome (837848738).

The spelling of 505226233 in words is "five hundred five million, two hundred twenty-six thousand, two hundred thirty-three".