223410161 has 4 divisors (see below), whose sum is σ = 240595572. Its totient is φ = 206224752.

The previous prime is 223410157. The next prime is 223410163. The reversal of 223410161 is 161014322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36240400 + 187169761 = 6020^2 + 13681^2 .

It is a cyclic number.

It is not a de Polignac number, because 223410161 - 2² = 223410157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223410163) 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 in 3 ways as a sum of consecutive naturals, for example, 8592686 + ... + 8592711.

It is an arithmetic number, because the mean of its divisors is an integer number (60148893).

Almost surely, 2^223410161 is an apocalyptic number.

It is an amenable number.

223410161 is a deficient number, since it is larger than the sum of its proper divisors (17185411).

223410161 is a wasteful number, since it uses less digits than its factorization.

223410161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17185410.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 223410161 is about 14946.9114200894. The cubic root of 223410161 is about 606.7842607384.

Adding to 223410161 its reverse (161014322), we get a palindrome (384424483).

The spelling of 223410161 in words is "two hundred twenty-three million, four hundred ten thousand, one hundred sixty-one".