3426711221 has 4 divisors (see below), whose sum is σ = 3426972000. Its totient is φ = 3426450444.

The previous prime is 3426711217. The next prime is 3426711241. The reversal of 3426711221 is 1221176243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3426711221 - 2² = 3426711217 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 (3426711241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109571 + ... + 137328.

It is an arithmetic number, because the mean of its divisors is an integer number (856743000).

Almost surely, 2^3426711221 is an apocalyptic number.

It is an amenable number.

3426711221 is a deficient number, since it is larger than the sum of its proper divisors (260779).

3426711221 is a wasteful number, since it uses less digits than its factorization.

3426711221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260778.

The product of its digits is 4032, while the sum is 29.

The square root of 3426711221 is about 58538.1176755796. The cubic root of 3426711221 is about 1507.6221248352.

Adding to 3426711221 its reverse (1221176243), we get a palindrome (4647887464).

The spelling of 3426711221 in words is "three billion, four hundred twenty-six million, seven hundred eleven thousand, two hundred twenty-one".