422965 has 8 divisors (see below), whose sum is σ = 525240. Its totient is φ = 326592.

The previous prime is 422927. The next prime is 422969. The reversal of 422965 is 569224.

It can be written as a sum of positive squares in 4 ways, for example, as 178929 + 244036 = 423^2 + 494^2 .

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 422965 - 2⁹ = 422453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422969) 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, 1314 + ... + 1603.

It is an arithmetic number, because the mean of its divisors is an integer number (65655).

2⁴²²⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

422965 is a deficient number, since it is larger than the sum of its proper divisors (102275).

422965 is a wasteful number, since it uses less digits than its factorization.

422965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951.

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

The square root of 422965 is about 650.3575939435. The cubic root of 422965 is about 75.0645370429.

The spelling of 422965 in words is "four hundred twenty-two thousand, nine hundred sixty-five".