224205629 has 2 divisors, whose sum is σ = 224205630. Its totient is φ = 224205628.

The previous prime is 224205623. The next prime is 224205637. The reversal of 224205629 is 926502422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198753604 + 25452025 = 14098^2 + 5045^2 .

It is a cyclic number.

It is not a de Polignac number, because 224205629 - 2⁴ = 224205613 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 224205595 and 224205604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224205623) 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, 112102814 + 112102815.

It is an arithmetic number, because the mean of its divisors is an integer number (112102815).

Almost surely, 2^224205629 is an apocalyptic number.

It is an amenable number.

224205629 is a deficient number, since it is larger than the sum of its proper divisors (1).

224205629 is an equidigital number, since it uses as much as digits as its factorization.

224205629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 224205629 is about 14973.4975540119. The cubic root of 224205629 is about 607.5035740728.

The spelling of 224205629 in words is "two hundred twenty-four million, two hundred five thousand, six hundred twenty-nine".