622071 has 6 divisors (see below), whose sum is σ = 898560. Its totient is φ = 414708.

The previous prime is 622067. The next prime is 622073. The reversal of 622071 is 170226.

It is a happy number.

It is not a de Polignac number, because 622071 - 2² = 622067 is a prime.

622071 is a lucky number.

It is a congruent number.

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

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34551 + ... + 34568.

It is an arithmetic number, because the mean of its divisors is an integer number (149760).

2⁶²²⁰⁷¹ is an apocalyptic number.

622071 is a deficient number, since it is larger than the sum of its proper divisors (276489).

622071 is a wasteful number, since it uses less digits than its factorization.

622071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69125 (or 69122 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 622071 is about 788.7147773435. The cubic root of 622071 is about 85.3650276283.

Adding to 622071 its reverse (170226), we get a palindrome (792297).

The spelling of 622071 in words is "six hundred twenty-two thousand, seventy-one".