622980 has 36 divisors (see below), whose sum is σ = 1890252. Its totient is φ = 166080.

The previous prime is 622967. The next prime is 622987. The reversal of 622980 is 89226.

It can be written as a sum of positive squares in 2 ways, for example, as 171396 + 451584 = 414^2 + 672^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (622987) by changing a digit.

622980 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 11 ways as a sum of consecutive naturals, for example, 1551 + ... + 1910.

It is an arithmetic number, because the mean of its divisors is an integer number (52507).

2⁶²²⁹⁸⁰ is an apocalyptic number.

622980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

622980 is an abundant number, since it is smaller than the sum of its proper divisors (1267272).

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

622980 is a wasteful number, since it uses less digits than its factorization.

622980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476 (or 3471 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 622980 is about 789.2908209272. The cubic root of 622980 is about 85.4065872170.

The spelling of 622980 in words is "six hundred twenty-two thousand, nine hundred eighty".