6220881 has 10 divisors (see below), whose sum is σ = 9293042. Its totient is φ = 4147200.

The previous prime is 6220871. The next prime is 6220897. The reversal of 6220881 is 1880226.

It can be written as a sum of positive squares in only one way, i.e., 6170256 + 50625 = 2484^2 + 225^2 .

It is not a de Polignac number, because 6220881 - 2⁵ = 6220849 is a prime.

It is a super-2 number, since 2×6220881² = 77398720832322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6220831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 38320 + ... + 38481.

Almost surely, 2^6220881 is an apocalyptic number.

It is an amenable number.

6220881 is a deficient number, since it is larger than the sum of its proper divisors (3072161).

6220881 is an equidigital number, since it uses as much as digits as its factorization.

6220881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76813 (or 76804 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 6220881 is about 2494.1694008226. The cubic root of 6220881 is about 183.9150620100.

The spelling of 6220881 in words is "six million, two hundred twenty thousand, eight hundred eighty-one".