622616 has 16 divisors (see below), whose sum is σ = 1176000. Its totient is φ = 309024.

The previous prime is 622613. The next prime is 622619. The reversal of 622616 is 616226.

It is an interprime number because it is at equal distance from previous prime (622613) and next prime (622619).

It is a junction number, because it is equal to n+sod(n) for n = 622591 and 622600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1610 + ... + 1958.

It is an arithmetic number, because the mean of its divisors is an integer number (73500).

2⁶²²⁶¹⁶ is an apocalyptic number.

It is an amenable number.

622616 is a deficient number, since it is larger than the sum of its proper divisors (553384).

622616 is a wasteful number, since it uses less digits than its factorization.

622616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 574 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 622616 is about 789.0602004917. The cubic root of 622616 is about 85.3899499496.

It can be divided in two parts, 6 and 22616, that added together give a palindrome (22622).

The spelling of 622616 in words is "six hundred twenty-two thousand, six hundred sixteen".