659422 has 4 divisors (see below), whose sum is σ = 989136. Its totient is φ = 329710.

The previous prime is 659419. The next prime is 659423. The reversal of 659422 is 224956.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 6⁵ + 5⁷ + 4⁷ + 9² + 2¹⁵ + 2¹⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164854 + ... + 164857.

It is an arithmetic number, because the mean of its divisors is an integer number (247284).

2⁶⁵⁹⁴²² is an apocalyptic number.

659422 is a deficient number, since it is larger than the sum of its proper divisors (329714).

659422 is a wasteful number, since it uses less digits than its factorization.

659422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329713.

The product of its digits is 4320, while the sum is 28.

The square root of 659422 is about 812.0480281363. The cubic root of 659422 is about 87.0404532882.

It can be divided in two parts, 659 and 422, that added together give a triangular number (1081 = T₄₆).

The spelling of 659422 in words is "six hundred fifty-nine thousand, four hundred twenty-two".