3200223121 has 4 divisors (see below), whose sum is σ = 3202473472. Its totient is φ = 3197972772.

The previous prime is 3200223101. The next prime is 3200223133. The reversal of 3200223121 is 1213220023.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1213220023 = 15649 ⋅77527.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3200223121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3200223095 and 3200223104.

It is not an unprimeable number, because it can be changed into a prime (3200223101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123041 + ... + 1125886.

It is an arithmetic number, because the mean of its divisors is an integer number (800618368).

Almost surely, 2^3200223121 is an apocalyptic number.

It is an amenable number.

3200223121 is a deficient number, since it is larger than the sum of its proper divisors (2250351).

3200223121 is a wasteful number, since it uses less digits than its factorization.

3200223121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250350.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3200223121 is about 56570.5145901997. The cubic root of 3200223121 is about 1473.6468480265.

Adding to 3200223121 its reverse (1213220023), we get a palindrome (4413443144).

The spelling of 3200223121 in words is "three billion, two hundred million, two hundred twenty-three thousand, one hundred twenty-one".