3223000021 has 8 divisors (see below), whose sum is σ = 3299342400. Its totient is φ = 3147381600.

The previous prime is 3223000009. The next prime is 3223000061. The reversal of 3223000021 is 1200003223.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3223000021 - 2²¹ = 3220902869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3222999965 and 3223000010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3223000061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171976 + ... + 189793.

It is an arithmetic number, because the mean of its divisors is an integer number (412417800).

Almost surely, 2^3223000021 is an apocalyptic number.

It is an amenable number.

3223000021 is a deficient number, since it is larger than the sum of its proper divisors (76342379).

3223000021 is a wasteful number, since it uses less digits than its factorization.

3223000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361979.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3223000021 is about 56771.4718939011. The cubic root of 3223000021 is about 1477.1347079031.

Adding to 3223000021 its reverse (1200003223), we get a palindrome (4423003244).

The spelling of 3223000021 in words is "three billion, two hundred twenty-three million, twenty-one", and thus it is an aban number.