6220641 has 8 divisors (see below), whose sum is σ = 9479104. Its totient is φ = 3554640.

The previous prime is 6220639. The next prime is 6220651. The reversal of 6220641 is 1460226.

It is a happy number.

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

It is not a de Polignac number, because 6220641 - 2¹ = 6220639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 296221 = 6220641 / (6 + 2 + 2 + 0 + 6 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6220631) 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, 148090 + ... + 148131.

It is an arithmetic number, because the mean of its divisors is an integer number (1184888).

Almost surely, 2^6220641 is an apocalyptic number.

It is an amenable number.

6220641 is a deficient number, since it is larger than the sum of its proper divisors (3258463).

6220641 is a wasteful number, since it uses less digits than its factorization.

6220641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296231.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 6220641 is about 2494.1212881494. The cubic root of 6220641 is about 183.9126968475.

Adding to 6220641 its reverse (1460226), we get a palindrome (7680867).

The spelling of 6220641 in words is "six million, two hundred twenty thousand, six hundred forty-one".