100722413 has 4 divisors (see below), whose sum is σ = 109879008. Its totient is φ = 91565820.

The previous prime is 100722403. The next prime is 100722421. The reversal of 100722413 is 314227001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100722413 - 2²⁶ = 33613549 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 (100722403) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4578281 + ... + 4578302.

It is an arithmetic number, because the mean of its divisors is an integer number (27469752).

Almost surely, 2^100722413 is an apocalyptic number.

It is an amenable number.

100722413 is a deficient number, since it is larger than the sum of its proper divisors (9156595).

100722413 is an equidigital number, since it uses as much as digits as its factorization.

100722413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9156594.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 100722413 is about 10036.0556495069. The cubic root of 100722413 is about 465.2739173109.

Adding to 100722413 its reverse (314227001), we get a palindrome (414949414).

The spelling of 100722413 in words is "one hundred million, seven hundred twenty-two thousand, four hundred thirteen".