245422 has 8 divisors (see below), whose sum is σ = 370296. Its totient is φ = 121992.

The previous prime is 245419. The next prime is 245437. The reversal of 245422 is 224542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 245422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333 + ... + 775.

It is an arithmetic number, because the mean of its divisors is an integer number (46287).

2²⁴⁵⁴²² is an apocalyptic number.

245422 is a deficient number, since it is larger than the sum of its proper divisors (124874).

245422 is a wasteful number, since it uses less digits than its factorization.

245422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722.

The product of its digits is 640, while the sum is 19.

The square root of 245422 is about 495.4008477990. The cubic root of 245422 is about 62.6091532581.

Adding to 245422 its reverse (224542), we get a palindrome (469964).

The spelling of 245422 in words is "two hundred forty-five thousand, four hundred twenty-two".