6222620 has 24 divisors (see below), whose sum is σ = 13131888. Its totient is φ = 2476800.

The previous prime is 6222607. The next prime is 6222641. The reversal of 6222620 is 262226.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 6222592 and 6222601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4175 + ... + 5465.

It is an arithmetic number, because the mean of its divisors is an integer number (547162).

Almost surely, 2^6222620 is an apocalyptic number.

It is an amenable number.

6222620 is an abundant number, since it is smaller than the sum of its proper divisors (6909268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6222620 is a wasteful number, since it uses less digits than its factorization.

6222620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 6222620 is about 2494.5179895122. The cubic root of 6222620 is about 183.9321977659.

Adding to 6222620 its reverse (262226), we get a palindrome (6484846).

The spelling of 6222620 in words is "six million, two hundred twenty-two thousand, six hundred twenty".