100722733 has 2 divisors, whose sum is σ = 100722734. Its totient is φ = 100722732.

The previous prime is 100722719. The next prime is 100722757. The reversal of 100722733 is 337227001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96000804 + 4721929 = 9798^2 + 2173^2 .

It is a cyclic number.

It is not a de Polignac number, because 100722733 - 2⁵ = 100722701 is a prime.

It is equal to p_5800606 and since 100722733 and 5800606 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 100722698 and 100722707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100722703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50361366 + 50361367.

It is an arithmetic number, because the mean of its divisors is an integer number (50361367).

Almost surely, 2^100722733 is an apocalyptic number.

It is an amenable number.

100722733 is a deficient number, since it is larger than the sum of its proper divisors (1).

100722733 is an equidigital number, since it uses as much as digits as its factorization.

100722733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 100722733 is about 10036.0715920125. The cubic root of 100722733 is about 465.2744100430.

Adding to 100722733 its reverse (337227001), we get a palindrome (437949734).

The spelling of 100722733 in words is "one hundred million, seven hundred twenty-two thousand, seven hundred thirty-three".