3111422221 has 8 divisors (see below), whose sum is σ = 3247358400. Its totient is φ = 2975540832.

The previous prime is 3111422219. The next prime is 3111422233. The reversal of 3111422221 is 1222241113.

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 3111422221 - 2¹ = 3111422219 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 (3111422621) 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, 138430 + ... + 159328.

It is an arithmetic number, because the mean of its divisors is an integer number (405919800).

Almost surely, 2^3111422221 is an apocalyptic number.

It is an amenable number.

3111422221 is a deficient number, since it is larger than the sum of its proper divisors (135936179).

3111422221 is a wasteful number, since it uses less digits than its factorization.

3111422221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27395.

The product of its digits is 192, while the sum is 19.

The square root of 3111422221 is about 55780.1238883529. The cubic root of 3111422221 is about 1459.8883728066. Note that the first 3 decimals are identical.

Adding to 3111422221 its reverse (1222241113), we get a palindrome (4333663334).

It can be divided in two parts, 31114 and 22221, that added together give a palindrome (53335).

The spelling of 3111422221 in words is "three billion, one hundred eleven million, four hundred twenty-two thousand, two hundred twenty-one".