226406018 has 16 divisors (see below), whose sum is σ = 348587064. Its totient is φ = 110221440.

The previous prime is 226405999. The next prime is 226406041. The reversal of 226406018 is 810604622.

It can be written as a sum of positive squares in 4 ways, for example, as 126945289 + 99460729 = 11267^2 + 9973^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43196 + ... + 48152.

Almost surely, 2^226406018 is an apocalyptic number.

226406018 is a deficient number, since it is larger than the sum of its proper divisors (122181046).

226406018 is a wasteful number, since it uses less digits than its factorization.

226406018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5557.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 226406018 is about 15046.7942765228. The cubic root of 226406018 is about 609.4844860755.

The spelling of 226406018 in words is "two hundred twenty-six million, four hundred six thousand, eighteen".