223312001 has 16 divisors (see below), whose sum is σ = 246395520. Its totient is φ = 200709120.

The previous prime is 223311973. The next prime is 223312009. The reversal of 223312001 is 100213322.

It is a happy number.

223312001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223312001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223312009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621860 + ... + 622218.

It is an arithmetic number, because the mean of its divisors is an integer number (15399720).

Almost surely, 2^223312001 is an apocalyptic number.

It is an amenable number.

223312001 is a deficient number, since it is larger than the sum of its proper divisors (23083519).

223312001 is a wasteful number, since it uses less digits than its factorization.

223312001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 223312001 is about 14943.6274378077. The cubic root of 223312001 is about 606.6953798684.

Adding to 223312001 its reverse (100213322), we get a palindrome (323525323).

It can be divided in two parts, 22331 and 2001, that multiplied together give a triangular number (44684331 = T₉₄₅₃).

The spelling of 223312001 in words is "two hundred twenty-three million, three hundred twelve thousand, one".