4213351221 has 8 divisors (see below), whose sum is σ = 5618101440. Its totient is φ = 2808750912.

The previous prime is 4213351201. The next prime is 4213351253. The reversal of 4213351221 is 1221533124.

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

It is not a de Polignac number, because 4213351221 - 2⁵ = 4213351189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4213351191 and 4213351200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4213351201) 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 7 ways as a sum of consecutive naturals, for example, 93645 + ... + 131133.

It is an arithmetic number, because the mean of its divisors is an integer number (702262680).

Almost surely, 2^4213351221 is an apocalyptic number.

It is an amenable number.

4213351221 is a deficient number, since it is larger than the sum of its proper divisors (1404750219).

4213351221 is a wasteful number, since it uses less digits than its factorization.

4213351221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74955.

The product of its digits is 1440, while the sum is 24.

The square root of 4213351221 is about 64910.3321590639. The cubic root of 4213351221 is about 1615.1364600801.

Adding to 4213351221 its reverse (1221533124), we get a palindrome (5434884345).

The spelling of 4213351221 in words is "four billion, two hundred thirteen million, three hundred fifty-one thousand, two hundred twenty-one".