223111401 has 4 divisors (see below), whose sum is σ = 297481872. Its totient is φ = 148740932.

The previous prime is 223111373. The next prime is 223111403. The reversal of 223111401 is 104111322.

223111401 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 a de Polignac number, because none of the positive numbers 2^k-223111401 is a prime.

It is a super-3 number, since 3×223111401³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223111403) 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, 37185231 + ... + 37185236.

It is an arithmetic number, because the mean of its divisors is an integer number (74370468).

Almost surely, 2^223111401 is an apocalyptic number.

It is an amenable number.

223111401 is a deficient number, since it is larger than the sum of its proper divisors (74370471).

223111401 is an equidigital number, since it uses as much as digits as its factorization.

223111401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74370470.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 223111401 is about 14936.9140387163. The cubic root of 223111401 is about 606.5136616855.

Adding to 223111401 its reverse (104111322), we get a palindrome (327222723).

The spelling of 223111401 in words is "two hundred twenty-three million, one hundred eleven thousand, four hundred one".