100022 has 8 divisors (see below), whose sum is σ = 161616. Its totient is φ = 46152.

The previous prime is 100019. The next prime is 100043. The reversal of 100022 is 220001.

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

100022 is a modest number, since divided by 22 gives 10 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 99979 and 100015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1898 + ... + 1949.

It is an arithmetic number, because the mean of its divisors is an integer number (20202).

2¹⁰⁰⁰²² is an apocalyptic number.

100022 is a deficient number, since it is larger than the sum of its proper divisors (61594).

100022 is a wasteful number, since it uses less digits than its factorization.

100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862.

The product of its (nonzero) digits is 4, while the sum is 5.

The square root of 100022 is about 316.2625491581. The cubic root of 100022 is about 46.4192919184.

Adding to 100022 its reverse (220001), we get a palindrome (320023).

Multiplying 100022 by its reverse (220001), we get a palindrome (22004940022).

The spelling of 100022 in words is "one hundred thousand, twenty-two", and thus it is an iban number.