223112001 has 16 divisors (see below), whose sum is σ = 340619264. Its totient is φ = 127252944.

The previous prime is 223111963. The next prime is 223112009. The reversal of 223112001 is 100211322.

It is not a de Polignac number, because 223112001 - 2⁹ = 223111489 is a prime.

It is a super-3 number, since 3×223112001³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223112009) 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 in 15 ways as a sum of consecutive naturals, for example, 1776 + ... + 21198.

It is an arithmetic number, because the mean of its divisors is an integer number (21288704).

Almost surely, 2^223112001 is an apocalyptic number.

223112001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

223112001 is a deficient number, since it is larger than the sum of its proper divisors (117507263).

223112001 is a wasteful number, since it uses less digits than its factorization.

223112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19980.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 223112001 is about 14936.9341231727. The cubic root of 223112001 is about 606.5142053719.

Adding to 223112001 its reverse (100211322), we get a palindrome (323323323).

The spelling of 223112001 in words is "two hundred twenty-three million, one hundred twelve thousand, one".