3223222021 has 8 divisors (see below), whose sum is σ = 3268067544. Its totient is φ = 3178613760.

The previous prime is 3223222019. The next prime is 3223222039. The reversal of 3223222021 is 1202223223.

It can be written as a sum of positive squares in 4 ways, for example, as 739296100 + 2483925921 = 27190^2 + 49839^2 .

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 3223222021 - 2¹ = 3223222019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3223222021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3223222091) 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, 31870 + ... + 86383.

It is an arithmetic number, because the mean of its divisors is an integer number (408508443).

Almost surely, 2^3223222021 is an apocalyptic number.

It is an amenable number.

3223222021 is a deficient number, since it is larger than the sum of its proper divisors (44845523).

3223222021 is a wasteful number, since it uses less digits than its factorization.

3223222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118631.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 3223222021 is about 56773.4270675992. The cubic root of 3223222021 is about 1477.1686221005.

Adding to 3223222021 its reverse (1202223223), we get a palindrome (4425445244).

The spelling of 3223222021 in words is "three billion, two hundred twenty-three million, two hundred twenty-two thousand, twenty-one".