76422 has 16 divisors (see below), whose sum is σ = 156672. Its totient is φ = 24840.

The previous prime is 76421. The next prime is 76423. The reversal of 76422 is 22467.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (76421) and next prime (76423).

It is a plaindrome in base 15.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147 + ... + 417.

It is an arithmetic number, because the mean of its divisors is an integer number (9792).

2⁷⁶⁴²² is an apocalyptic number.

76422 is an abundant number, since it is smaller than the sum of its proper divisors (80250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78336).

76422 is a wasteful number, since it uses less digits than its factorization.

76422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323.

The product of its digits is 672, while the sum is 21.

The square root of 76422 is about 276.4452929605. The cubic root of 76422 is about 42.4364910726.

Adding to 76422 its reverse (22467), we get a palindrome (98889).

The spelling of 76422 in words is "seventy-six thousand, four hundred twenty-two".