622671620 has 24 divisors (see below), whose sum is σ = 1308285888. Its totient is φ = 248940000.

The previous prime is 622671619. The next prime is 622671649. The reversal of 622671620 is 26176226.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 38105 + ... + 51935.

It is an arithmetic number, because the mean of its divisors is an integer number (54511912).

Almost surely, 2^622671620 is an apocalyptic number.

It is an amenable number.

622671620 is an abundant number, since it is smaller than the sum of its proper divisors (685614268).

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

622671620 is a wasteful number, since it uses less digits than its factorization.

622671620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16091 (or 16089 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 622671620 is about 24953.3889481970. The cubic root of 622671620 is about 853.9249258029.

The spelling of 622671620 in words is "six hundred twenty-two million, six hundred seventy-one thousand, six hundred twenty".