226397100 has 72 divisors (see below), whose sum is σ = 656864208. Its totient is φ = 60204800.

The previous prime is 226397071. The next prime is 226397111. The reversal of 226397100 is 1793622.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137482 + ... + 139118.

It is an arithmetic number, because the mean of its divisors is an integer number (9123114).

Almost surely, 2^226397100 is an apocalyptic number.

226397100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226397100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328432104).

226397100 is an abundant number, since it is smaller than the sum of its proper divisors (430467108).

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

226397100 is a wasteful number, since it uses less digits than its factorization.

226397100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115 (or 2108 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 226397100 is about 15046.4979314125. The cubic root of 226397100 is about 609.4764835585.

The spelling of 226397100 in words is "two hundred twenty-six million, three hundred ninety-seven thousand, one hundred".