455212223 has 2 divisors, whose sum is σ = 455212224. Its totient is φ = 455212222.

The previous prime is 455212211. The next prime is 455212253. The reversal of 455212223 is 322212554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 455212223 - 2¹⁶ = 455146687 is a prime.

It is equal to p_24114419 and since 455212223 and 24114419 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 455212192 and 455212201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455212253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227606111 + 227606112.

It is an arithmetic number, because the mean of its divisors is an integer number (227606112).

Almost surely, 2^455212223 is an apocalyptic number.

455212223 is a deficient number, since it is larger than the sum of its proper divisors (1).

455212223 is an equidigital number, since it uses as much as digits as its factorization.

455212223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 26.

The square root of 455212223 is about 21335.7030116188. The cubic root of 455212223 is about 769.2567309010.

Adding to 455212223 its reverse (322212554), we get a palindrome (777424777).

The spelling of 455212223 in words is "four hundred fifty-five million, two hundred twelve thousand, two hundred twenty-three".