100322213 has 4 divisors (see below), whose sum is σ = 100466028. Its totient is φ = 100178400.

The previous prime is 100322149. The next prime is 100322227. The reversal of 100322213 is 312223001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31730689 + 68591524 = 5633^2 + 8282^2 .

It is a cyclic number.

It is not a de Polignac number, because 100322213 - 2⁶ = 100322149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100322273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70856 + ... + 72257.

It is an arithmetic number, because the mean of its divisors is an integer number (25116507).

Almost surely, 2^100322213 is an apocalyptic number.

It is an amenable number.

100322213 is a deficient number, since it is larger than the sum of its proper divisors (143815).

100322213 is an equidigital number, since it uses as much as digits as its factorization.

100322213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143814.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 100322213 is about 10016.0976932137. The cubic root of 100322213 is about 464.6568756326.

Adding to 100322213 its reverse (312223001), we get a palindrome (412545214).

The spelling of 100322213 in words is "one hundred million, three hundred twenty-two thousand, two hundred thirteen".