6220440771 has 8 divisors (see below), whose sum is σ = 8450410320. Its totient is φ = 4068715872.

The previous prime is 6220440763. The next prime is 6220440797. The reversal of 6220440771 is 1770440226.

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

It is not a de Polignac number, because 6220440771 - 2³ = 6220440763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6220440671) 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, 19560976 + ... + 19561293.

It is an arithmetic number, because the mean of its divisors is an integer number (1056301290).

Almost surely, 2^6220440771 is an apocalyptic number.

6220440771 is a deficient number, since it is larger than the sum of its proper divisors (2229969549).

6220440771 is a wasteful number, since it uses less digits than its factorization.

6220440771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39122325.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 6220440771 is about 78869.7709582068. The cubic root of 6220440771 is about 1839.1072357551.

Adding to 6220440771 its reverse (1770440226), we get a palindrome (7990880997).

The spelling of 6220440771 in words is "six billion, two hundred twenty million, four hundred forty thousand, seven hundred seventy-one".