622045 has 8 divisors (see below), whose sum is σ = 762624. Its totient is φ = 486864.

The previous prime is 622043. The next prime is 622049. The reversal of 622045 is 540226.

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

It is a cyclic number.

It is not a de Polignac number, because 622045 - 2¹ = 622043 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089 + ... + 1558.

It is an arithmetic number, because the mean of its divisors is an integer number (95328).

2⁶²²⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

622045 is a deficient number, since it is larger than the sum of its proper divisors (140579).

622045 is a wasteful number, since it uses less digits than its factorization.

622045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 622045 is about 788.6982946603. The cubic root of 622045 is about 85.3638383098.

The spelling of 622045 in words is "six hundred twenty-two thousand, forty-five".