100522 has 4 divisors (see below), whose sum is σ = 150786. Its totient is φ = 50260.

The previous prime is 100519. The next prime is 100523. The reversal of 100522 is 225001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 225001 = 7 ⋅32143.

It can be written as a sum of positive squares in only one way, i.e., 95481 + 5041 = 309^2 + 71^2 .

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 100499 and 100508.

It is not an unprimeable number, because it can be changed into a prime (100523) 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 as a sum of consecutive naturals, namely, 25129 + ... + 25132.

2¹⁰⁰⁵²² is an apocalyptic number.

100522 is a deficient number, since it is larger than the sum of its proper divisors (50264).

100522 is an equidigital number, since it uses as much as digits as its factorization.

100522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50263.

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 100522 is about 317.0520462006. The cubic root of 100522 is about 46.4965118592.

Adding to 100522 its reverse (225001), we get a palindrome (325523).

The spelling of 100522 in words is "one hundred thousand, five hundred twenty-two".