100722414 has 16 divisors (see below), whose sum is σ = 216940752. Its totient is φ = 30991488.

The previous prime is 100722403. The next prime is 100722421. The reversal of 100722414 is 414227001.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645579 + ... + 645734.

It is an arithmetic number, because the mean of its divisors is an integer number (13558797).

Almost surely, 2^100722414 is an apocalyptic number.

100722414 is an abundant number, since it is smaller than the sum of its proper divisors (116218338).

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

100722414 is a wasteful number, since it uses less digits than its factorization.

100722414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291331.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 100722414 is about 10036.0556993273. The cubic root of 100722414 is about 465.2739188507.

Adding to 100722414 its reverse (414227001), we get a palindrome (514949415).

The spelling of 100722414 in words is "one hundred million, seven hundred twenty-two thousand, four hundred fourteen".