454728229 has 2 divisors, whose sum is σ = 454728230. Its totient is φ = 454728228.

The previous prime is 454728203. The next prime is 454728259. The reversal of 454728229 is 922827454.

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., 341880100 + 112848129 = 18490^2 + 10623^2 .

It is a cyclic number.

It is not a de Polignac number, because 454728229 - 2¹³ = 454720037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454728259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227364114 + 227364115.

It is an arithmetic number, because the mean of its divisors is an integer number (227364115).

Almost surely, 2^454728229 is an apocalyptic number.

It is an amenable number.

454728229 is a deficient number, since it is larger than the sum of its proper divisors (1).

454728229 is an equidigital number, since it uses as much as digits as its factorization.

454728229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 43.

The square root of 454728229 is about 21324.3576456596. The cubic root of 454728229 is about 768.9840026705.

It can be divided in two parts, 45 and 4728229, that added together give a palindrome (4728274).

The spelling of 454728229 in words is "four hundred fifty-four million, seven hundred twenty-eight thousand, two hundred twenty-nine".