100331022 has 24 divisors (see below), whose sum is σ = 220564008. Its totient is φ = 30403120.

The previous prime is 100331017. The next prime is 100331051. The reversal of 100331022 is 220133001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100330989 and 100331007.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 68373 + ... + 69824.

It is an arithmetic number, because the mean of its divisors is an integer number (9190167).

Almost surely, 2^100331022 is an apocalyptic number.

100331022 is an abundant number, since it is smaller than the sum of its proper divisors (120232986).

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

100331022 is a wasteful number, since it uses less digits than its factorization.

100331022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138224 (or 138213 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 100331022 is about 10016.5374256776. The cubic root of 100331022 is about 464.6704752882.

Adding to 100331022 its reverse (220133001), we get a palindrome (320464023).

The spelling of 100331022 in words is "one hundred million, three hundred thirty-one thousand, twenty-two".