2232223121 has 4 divisors (see below), whose sum is σ = 2265539952. Its totient is φ = 2198906292.

The previous prime is 2232223109. The next prime is 2232223157. The reversal of 2232223121 is 1213222322.

It is a happy number.

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 2232223121 - 2⁶ = 2232223057 is a prime.

It is a super-3 number, since 3×2232223121³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2232223093 and 2232223102.

It is not an unprimeable number, because it can be changed into a prime (2232223421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16658315 + ... + 16658448.

It is an arithmetic number, because the mean of its divisors is an integer number (566384988).

Almost surely, 2^2232223121 is an apocalyptic number.

It is an amenable number.

2232223121 is a deficient number, since it is larger than the sum of its proper divisors (33316831).

2232223121 is an equidigital number, since it uses as much as digits as its factorization.

2232223121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33316830.

The product of its digits is 576, while the sum is 20.

The square root of 2232223121 is about 47246.4085513386. The cubic root of 2232223121 is about 1306.9105607819.

Adding to 2232223121 its reverse (1213222322), we get a palindrome (3445445443).

The spelling of 2232223121 in words is "two billion, two hundred thirty-two million, two hundred twenty-three thousand, one hundred twenty-one".