100558226 has 8 divisors (see below), whose sum is σ = 152331084. Its totient is φ = 49781200.

The previous prime is 100558207. The next prime is 100558229. The reversal of 100558226 is 622855001.

It can be written as a sum of positive squares in 2 ways, for example, as 74046025 + 26512201 = 8605^2 + 5149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×100558226² = 20223913632534152, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100558229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248705 + ... + 249108.

Almost surely, 2^100558226 is an apocalyptic number.

100558226 is a deficient number, since it is larger than the sum of its proper divisors (51772858).

100558226 is a wasteful number, since it uses less digits than its factorization.

100558226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497916.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 100558226 is about 10027.8724563090. The cubic root of 100558226 is about 465.0209664112.

It can be divided in two parts, 10055 and 8226, that added together give a palindrome (18281).

The spelling of 100558226 in words is "one hundred million, five hundred fifty-eight thousand, two hundred twenty-six".