845622 has 24 divisors (see below), whose sum is σ = 1853280. Its totient is φ = 278640.

The previous prime is 845599. The next prime is 845623. The reversal of 845622 is 226548.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 845622.

It is not an unprimeable number, because it can be changed into a prime (845623) by changing a digit.

845622 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, 1747 + ... + 2177.

It is an arithmetic number, because the mean of its divisors is an integer number (77220).

2⁸⁴⁵⁶²² is an apocalyptic number.

845622 is an abundant number, since it is smaller than the sum of its proper divisors (1007658).

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

845622 is a wasteful number, since it uses less digits than its factorization.

845622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 545 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 845622 is about 919.5770767043. The cubic root of 845622 is about 94.5639107438.

The spelling of 845622 in words is "eight hundred forty-five thousand, six hundred twenty-two".