4223322121 has 4 divisors (see below), whose sum is σ = 4471752852. Its totient is φ = 3974891392.

The previous prime is 4223322083. The next prime is 4223322149. The reversal of 4223322121 is 1212233224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2356131600 + 1867190521 = 48540^2 + 43211^2 .

It is a cyclic number.

It is not a de Polignac number, because 4223322121 - 2²⁵ = 4189767689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4223322092 and 4223322101.

It is not an unprimeable number, because it can be changed into a prime (4223322151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124215340 + ... + 124215373.

It is an arithmetic number, because the mean of its divisors is an integer number (1117938213).

Almost surely, 2^4223322121 is an apocalyptic number.

It is an amenable number.

4223322121 is a deficient number, since it is larger than the sum of its proper divisors (248430731).

4223322121 is a wasteful number, since it uses less digits than its factorization.

4223322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248430730.

The product of its digits is 1152, while the sum is 22.

The square root of 4223322121 is about 64987.0919567878. The cubic root of 4223322121 is about 1616.4095303984.

Adding to 4223322121 its reverse (1212233224), we get a palindrome (5435555345).

The spelling of 4223322121 in words is "four billion, two hundred twenty-three million, three hundred twenty-two thousand, one hundred twenty-one".