223001161 has 4 divisors (see below), whose sum is σ = 225085392. Its totient is φ = 220916932.

The previous prime is 223001153. The next prime is 223001167. The reversal of 223001161 is 161100322.

223001161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223001161 - 2³ = 223001153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223001167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1041955 + ... + 1042168.

It is an arithmetic number, because the mean of its divisors is an integer number (56271348).

Almost surely, 2^223001161 is an apocalyptic number.

It is an amenable number.

223001161 is a deficient number, since it is larger than the sum of its proper divisors (2084231).

223001161 is a wasteful number, since it uses less digits than its factorization.

223001161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084230.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 223001161 is about 14933.2233961727. The cubic root of 223001161 is about 606.4137518332.

Adding to 223001161 its reverse (161100322), we get a palindrome (384101483).

The spelling of 223001161 in words is "two hundred twenty-three million, one thousand, one hundred sixty-one".