100020226 has 4 divisors (see below), whose sum is σ = 150030342. Its totient is φ = 50010112.

The previous prime is 100020191. The next prime is 100020233. The reversal of 100020226 is 622020001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622020001 = 10937 ⋅56873.

It can be written as a sum of positive squares in only one way, i.e., 100020001 + 225 = 10001^2 + 15^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 as a sum of consecutive naturals, namely, 25005055 + ... + 25005058.

Almost surely, 2^100020226 is an apocalyptic number.

100020226 is a deficient number, since it is larger than the sum of its proper divisors (50010116).

100020226 is an equidigital number, since it uses as much as digits as its factorization.

100020226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50010115.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 100020226 is about 10001.0112488688. The cubic root of 100020226 is about 464.1901748436.

Adding to 100020226 its reverse (622020001), we get a palindrome (722040227).

The spelling of 100020226 in words is "one hundred million, twenty thousand, two hundred twenty-six".