223442501 has 2 divisors, whose sum is σ = 223442502. Its totient is φ = 223442500.

The previous prime is 223442473. The next prime is 223442533. The reversal of 223442501 is 105244322.

It is a happy number.

223442501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208773601 + 14668900 = 14449^2 + 3830^2 .

It is a cyclic number.

It is not a de Polignac number, because 223442501 - 2⁶ = 223442437 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223442581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111721250 + 111721251.

It is an arithmetic number, because the mean of its divisors is an integer number (111721251).

Almost surely, 2^223442501 is an apocalyptic number.

It is an amenable number.

223442501 is a deficient number, since it is larger than the sum of its proper divisors (1).

223442501 is an equidigital number, since it uses as much as digits as its factorization.

223442501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 223442501 is about 14947.9932097924. The cubic root of 223442501 is about 606.8135379150.

Adding to 223442501 its reverse (105244322), we get a palindrome (328686823).

The spelling of 223442501 in words is "two hundred twenty-three million, four hundred forty-two thousand, five hundred one".