622078 has 8 divisors (see below), whose sum is σ = 948600. Its totient is φ = 305880.

The previous prime is 622073. The next prime is 622091. The reversal of 622078 is 870226.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622073) by changing a digit.

622078 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, 2428 + ... + 2671.

It is an arithmetic number, because the mean of its divisors is an integer number (118575).

622078 is a Friedman number, since it can be written as 80*6^(7-2)-2, using all its digits and the basic arithmetic operations.

2⁶²²⁰⁷⁸ is an apocalyptic number.

622078 is a deficient number, since it is larger than the sum of its proper divisors (326522).

622078 is a wasteful number, since it uses less digits than its factorization.

622078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5162.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 622078 is about 788.7192149301. The cubic root of 622078 is about 85.3653478238.

The spelling of 622078 in words is "six hundred twenty-two thousand, seventy-eight".