622725 has 36 divisors (see below), whose sum is σ = 1133856. Its totient is φ = 300960.

The previous prime is 622723. The next prime is 622729. The reversal of 622725 is 527226.

It is not a de Polignac number, because 622725 - 2¹ = 622723 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 622695 and 622704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622723) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27064 + ... + 27086.

It is an arithmetic number, because the mean of its divisors is an integer number (31496).

2⁶²²⁷²⁵ is an apocalyptic number.

It is an amenable number.

622725 is a deficient number, since it is larger than the sum of its proper divisors (511131).

622725 is a wasteful number, since it uses less digits than its factorization.

622725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 50 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 622725 is about 789.1292669772. The cubic root of 622725 is about 85.3949326685.

The spelling of 622725 in words is "six hundred twenty-two thousand, seven hundred twenty-five".