75422 has 8 divisors (see below), whose sum is σ = 115896. Its totient is φ = 36792.

The previous prime is 75407. The next prime is 75431. The reversal of 75422 is 22457.

75422 = 19² + 20² + ... + 61².

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

It is a plaindrome in base 16.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 75394 and 75403.

It is a congruent number.

It is an unprimeable number.

75422 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 3 ways as a sum of consecutive naturals, for example, 353 + ... + 524.

It is an arithmetic number, because the mean of its divisors is an integer number (14487).

2⁷⁵⁴²² is an apocalyptic number.

75422 is a deficient number, since it is larger than the sum of its proper divisors (40474).

75422 is a wasteful number, since it uses less digits than its factorization.

75422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922.

The product of its digits is 560, while the sum is 20.

The square root of 75422 is about 274.6306610705. The cubic root of 75422 is about 42.2505806206.

Adding to 75422 its reverse (22457), we get a palindrome (97879).

The spelling of 75422 in words is "seventy-five thousand, four hundred twenty-two".