622197609 has 24 divisors (see below), whose sum is σ = 931297920. Its totient is φ = 369056160.

The previous prime is 622197607. The next prime is 622197689. The reversal of 622197609 is 906791226.

It is not a de Polignac number, because 622197609 - 2¹ = 622197607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (622197607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1174 + ... + 35295.

It is an arithmetic number, because the mean of its divisors is an integer number (38804080).

Almost surely, 2^622197609 is an apocalyptic number.

It is an amenable number.

622197609 is a deficient number, since it is larger than the sum of its proper divisors (309100311).

622197609 is a wasteful number, since it uses less digits than its factorization.

622197609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36541 (or 36530 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 622197609 is about 24943.8892115885. The cubic root of 622197609 is about 853.7081863267.

The spelling of 622197609 in words is "six hundred twenty-two million, one hundred ninety-seven thousand, six hundred nine".