223524901 has 2 divisors, whose sum is σ = 223524902. Its totient is φ = 223524900.

The previous prime is 223524869. The next prime is 223524919. The reversal of 223524901 is 109425322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131652676 + 91872225 = 11474^2 + 9585^2 .

It is a cyclic number.

It is not a de Polignac number, because 223524901 - 2⁵ = 223524869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223524901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223524001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111762450 + 111762451.

It is an arithmetic number, because the mean of its divisors is an integer number (111762451).

Almost surely, 2^223524901 is an apocalyptic number.

It is an amenable number.

223524901 is a deficient number, since it is larger than the sum of its proper divisors (1).

223524901 is an equidigital number, since it uses as much as digits as its factorization.

223524901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 223524901 is about 14950.7491785529. The cubic root of 223524901 is about 606.8881212942. Note that the first 3 decimals are identical.

The spelling of 223524901 in words is "two hundred twenty-three million, five hundred twenty-four thousand, nine hundred one".