3222210421 has 8 divisors (see below), whose sum is σ = 3236934744. Its totient is φ = 3207509760.

The previous prime is 3222210371. The next prime is 3222210449. The reversal of 3222210421 is 1240122223.

It can be written as a sum of positive squares in 4 ways, for example, as 1322122321 + 1900088100 = 36361^2 + 43590^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3222210421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222210521) 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, 303031 + ... + 313483.

It is an arithmetic number, because the mean of its divisors is an integer number (404616843).

Almost surely, 2^3222210421 is an apocalyptic number.

It is an amenable number.

3222210421 is a deficient number, since it is larger than the sum of its proper divisors (14724323).

3222210421 is a wasteful number, since it uses less digits than its factorization.

3222210421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11831.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 3222210421 is about 56764.5172709149. The cubic root of 3222210421 is about 1477.0140707309.

Adding to 3222210421 its reverse (1240122223), we get a palindrome (4462332644).

The spelling of 3222210421 in words is "three billion, two hundred twenty-two million, two hundred ten thousand, four hundred twenty-one".