78022 has 8 divisors (see below), whose sum is σ = 133776. Its totient is φ = 33432.

The previous prime is 78017. The next prime is 78031. The reversal of 78022 is 22087.

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

It is a nialpdrome in base 7.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2773 + ... + 2800.

It is an arithmetic number, because the mean of its divisors is an integer number (16722).

2⁷⁸⁰²² is an apocalyptic number.

78022 is a deficient number, since it is larger than the sum of its proper divisors (55754).

78022 is a wasteful number, since it uses less digits than its factorization.

78022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5582.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 78022 is about 279.3241844166. The cubic root of 78022 is about 42.7306034689.

The spelling of 78022 in words is "seventy-eight thousand, twenty-two".