3421221243 has 32 divisors (see below), whose sum is σ = 5129394432. Its totient is φ = 2010096000.

The previous prime is 3421221203. The next prime is 3421221247.

It is a happy number.

3421221243 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3421221243 - 2¹⁴ = 3421204859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3421221247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 340593 + ... + 350493.

It is an arithmetic number, because the mean of its divisors is an integer number (160293576).

Almost surely, 2^3421221243 is an apocalyptic number.

3421221243 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3421221243 is a deficient number, since it is larger than the sum of its proper divisors (1708173189).

3421221243 is a wasteful number, since it uses less digits than its factorization.

3421221243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10235.

The product of its digits is 2304, while the sum is 24.

The square root of 3421221243 is about 58491.2065442319. The cubic root of 3421221243 is about 1506.8165675694.

It can be divided in two parts, 34212 and 21243, that added together give a palindrome (55455).

The spelling of 3421221243 in words is "three billion, four hundred twenty-one million, two hundred twenty-one thousand, two hundred forty-three".