100566226 has 4 divisors (see below), whose sum is σ = 150849342. Its totient is φ = 50283112.

The previous prime is 100566223. The next prime is 100566227. The reversal of 100566226 is 622665001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 97990201 + 2576025 = 9899^2 + 1605^2 .

It is a super-2 number, since 2×100566226² = 20227131623766152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100566194 and 100566203.

It is not an unprimeable number, because it can be changed into a prime (100566223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25141555 + ... + 25141558.

Almost surely, 2^100566226 is an apocalyptic number.

100566226 is a deficient number, since it is larger than the sum of its proper divisors (50283116).

100566226 is an equidigital number, since it uses as much as digits as its factorization.

100566226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50283115.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 100566226 is about 10028.2713365764. The cubic root of 100566226 is about 465.0332978044.

The spelling of 100566226 in words is "one hundred million, five hundred sixty-six thousand, two hundred twenty-six".