622027620 has 96 divisors (see below), whose sum is σ = 2049062400. Its totient is φ = 156114432.

The previous prime is 622027607. The next prime is 622027621. The reversal of 622027620 is 26720226.

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

It is not an unprimeable number, because it can be changed into a prime (622027621) 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 31 ways as a sum of consecutive naturals, for example, 24700 + ... + 43059.

It is an arithmetic number, because the mean of its divisors is an integer number (21344400).

Almost surely, 2^622027620 is an apocalyptic number.

622027620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

622027620 is an abundant number, since it is smaller than the sum of its proper divisors (1427034780).

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

622027620 is a wasteful number, since it uses less digits than its factorization.

622027620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67794 (or 67786 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 622027620 is about 24940.4815510848. The cubic root of 622027620 is about 853.6304327766.

Adding to 622027620 its reverse (26720226), we get a palindrome (648747846).

The spelling of 622027620 in words is "six hundred twenty-two million, twenty-seven thousand, six hundred twenty".