226406401 has 4 divisors (see below), whose sum is σ = 243822292. Its totient is φ = 208990512.

The previous prime is 226406399. The next prime is 226406417. The reversal of 226406401 is 104604622.

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

It can be written as a sum of positive squares in 2 ways, for example, as 124880625 + 101525776 = 11175^2 + 10076^2 .

It is a cyclic number.

It is not a de Polignac number, because 226406401 - 2¹ = 226406399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226406431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8707926 + ... + 8707951.

It is an arithmetic number, because the mean of its divisors is an integer number (60955573).

Almost surely, 2^226406401 is an apocalyptic number.

It is an amenable number.

226406401 is a deficient number, since it is larger than the sum of its proper divisors (17415891).

226406401 is a wasteful number, since it uses less digits than its factorization.

226406401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17415890.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 226406401 is about 15046.8070034808. The cubic root of 226406401 is about 609.4848297537.

The spelling of 226406401 in words is "two hundred twenty-six million, four hundred six thousand, four hundred one".