622716 has 12 divisors (see below), whose sum is σ = 1453032. Its totient is φ = 207568.

The previous prime is 622709. The next prime is 622723. The reversal of 622716 is 617226.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (622709) and next prime (622723).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

622716 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25935 + ... + 25958.

It is an arithmetic number, because the mean of its divisors is an integer number (121086).

2⁶²²⁷¹⁶ is an apocalyptic number.

It is an amenable number.

622716 is an abundant number, since it is smaller than the sum of its proper divisors (830316).

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

622716 is a wasteful number, since it uses less digits than its factorization.

622716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51900 (or 51898 counting only the distinct ones).

The product of its digits is 1008, while the sum is 24.

The square root of 622716 is about 789.1235644688. The cubic root of 622716 is about 85.3945212734.

It can be divided in two parts, 6 and 22716, that added together give a palindrome (22722).

The spelling of 622716 in words is "six hundred twenty-two thousand, seven hundred sixteen".