622006220 has 48 divisors (see below), whose sum is σ = 1429698816. Its totient is φ = 225432000.

The previous prime is 622006219. The next prime is 622006241. The reversal of 622006220 is 22600226.

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 = 622006192 and 622006201.

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, 63875 + ... + 72965.

It is an arithmetic number, because the mean of its divisors is an integer number (29785392).

Almost surely, 2^622006220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622006220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714849408).

622006220 is an abundant number, since it is smaller than the sum of its proper divisors (807692596).

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

622006220 is a wasteful number, since it uses less digits than its factorization.

622006220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9422 (or 9420 counting only the distinct ones).

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

The square root of 622006220 is about 24940.0525260072. The cubic root of 622006220 is about 853.6206433395.

Adding to 622006220 its reverse (22600226), we get a palindrome (644606446).

It can be divided in two parts, 622006 and 220, that added together give a palindrome (622226).

The spelling of 622006220 in words is "six hundred twenty-two million, six thousand, two hundred twenty".