6622020 has 48 divisors (see below), whose sum is σ = 20603520. Its totient is φ = 1765728.

The previous prime is 6622019. The next prime is 6622037. The reversal of 6622020 is 202266.

6622020 is a `hidden beast` number, since 662 + 2 + 0 + 2 + 0 = 666.

It is a super-2 number, since 2×6622020² = 87702297760800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 6621984 and 6622002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5592 + ... + 6671.

It is an arithmetic number, because the mean of its divisors is an integer number (429240).

Almost surely, 2^6622020 is an apocalyptic number.

6622020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6622020 is an abundant number, since it is smaller than the sum of its proper divisors (13981500).

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

6622020 is a wasteful number, since it uses less digits than its factorization.

6622020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12281 (or 12273 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 6622020 is about 2573.3285837607. The cubic root of 6622020 is about 187.7861231568.

Adding to 6622020 its reverse (202266), we get a palindrome (6824286).

The spelling of 6622020 in words is "six million, six hundred twenty-two thousand, twenty".