223629841 has 2 divisors, whose sum is σ = 223629842. Its totient is φ = 223629840.

The previous prime is 223629839. The next prime is 223629863. The reversal of 223629841 is 148926322.

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., 222129216 + 1500625 = 14904^2 + 1225^2 .

It is a cyclic number.

It is not a de Polignac number, because 223629841 - 2¹ = 223629839 is a prime.

Together with 223629839, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 223629841.

It is not a weakly prime, because it can be changed into another prime (223629821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111814920 + 111814921.

It is an arithmetic number, because the mean of its divisors is an integer number (111814921).

Almost surely, 2^223629841 is an apocalyptic number.

It is an amenable number.

223629841 is a deficient number, since it is larger than the sum of its proper divisors (1).

223629841 is an equidigital number, since it uses as much as digits as its factorization.

223629841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 37.

The square root of 223629841 is about 14954.2582898651. The cubic root of 223629841 is about 606.9830799547.

The spelling of 223629841 in words is "two hundred twenty-three million, six hundred twenty-nine thousand, eight hundred forty-one".