223331121 has 32 divisors (see below), whose sum is σ = 364622720. Its totient is φ = 134229312.

The previous prime is 223331113. The next prime is 223331123. The reversal of 223331121 is 121133322.

It is not a de Polignac number, because 223331121 - 2³ = 223331113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223331094 and 223331103.

It is not an unprimeable number, because it can be changed into a prime (223331123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7695 + ... + 22491.

It is an arithmetic number, because the mean of its divisors is an integer number (11394460).

Almost surely, 2^223331121 is an apocalyptic number.

It is an amenable number.

223331121 is a deficient number, since it is larger than the sum of its proper divisors (141291599).

223331121 is a wasteful number, since it uses less digits than its factorization.

223331121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14862 (or 14856 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 223331121 is about 14944.2671616911. The cubic root of 223331121 is about 606.7126944844.

Adding to 223331121 its reverse (121133322), we get a palindrome (344464443).

The spelling of 223331121 in words is "two hundred twenty-three million, three hundred thirty-one thousand, one hundred twenty-one".