100722230 has 32 divisors (see below), whose sum is σ = 218108160. Its totient is φ = 32715360.

The previous prime is 100722227. The next prime is 100722241. The reversal of 100722230 is 32227001.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100722199 and 100722208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36536 + ... + 39195.

It is an arithmetic number, because the mean of its divisors is an integer number (6815880).

Almost surely, 2^100722230 is an apocalyptic number.

100722230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100722230 is an abundant number, since it is smaller than the sum of its proper divisors (117385930).

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

100722230 is a wasteful number, since it uses less digits than its factorization.

100722230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75764.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 100722230 is about 10036.0465323752. The cubic root of 100722230 is about 465.2736355292.

Adding to 100722230 its reverse (32227001), we get a palindrome (132949231).

The spelling of 100722230 in words is "one hundred million, seven hundred twenty-two thousand, two hundred thirty".