622244 has 24 divisors (see below), whose sum is σ = 1266048. Its totient is φ = 262080.

The previous prime is 622243. The next prime is 622247. The reversal of 622244 is 442226.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1832 + ... + 2144.

It is an arithmetic number, because the mean of its divisors is an integer number (52752).

2⁶²²²⁴⁴ is an apocalyptic number.

It is an amenable number.

622244 is an abundant number, since it is smaller than the sum of its proper divisors (643804).

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

622244 is a wasteful number, since it uses less digits than its factorization.

622244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 393 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 622244 is about 788.8244418120. The cubic root of 622244 is about 85.3729403269.

It can be divided in two parts, 62 and 2244, that multiplied together give a triangular number (139128 = T₅₂₇).

The spelling of 622244 in words is "six hundred twenty-two thousand, two hundred forty-four".