100223320 has 64 divisors (see below), whose sum is σ = 230630400. Its totient is φ = 39191040.

The previous prime is 100223293. The next prime is 100223323. The reversal of 100223320 is 23322001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 100223320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100223323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553630 + ... + 553810.

It is an arithmetic number, because the mean of its divisors is an integer number (3603600).

Almost surely, 2^100223320 is an apocalyptic number.

100223320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100223320 is an abundant number, since it is smaller than the sum of its proper divisors (130407080).

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

100223320 is a wasteful number, since it uses less digits than its factorization.

100223320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 100223320 is about 10011.1597729734. The cubic root of 100223320 is about 464.5041463477.

Adding to 100223320 its reverse (23322001), we get a palindrome (123545321).

The spelling of 100223320 in words is "one hundred million, two hundred twenty-three thousand, three hundred twenty".