226406369 has 4 divisors (see below), whose sum is σ = 258750144. Its totient is φ = 194062596.

The previous prime is 226406353. The next prime is 226406371. The reversal of 226406369 is 963604622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 226406369 - 2⁴ = 226406353 is a prime.

It is a super-2 number, since 2×226406369² = 102519687847528322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226406399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16171877 + ... + 16171890.

It is an arithmetic number, because the mean of its divisors is an integer number (64687536).

Almost surely, 2^226406369 is an apocalyptic number.

It is an amenable number.

226406369 is a deficient number, since it is larger than the sum of its proper divisors (32343775).

226406369 is an equidigital number, since it uses as much as digits as its factorization.

226406369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32343774.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 226406369 is about 15046.8059401323. The cubic root of 226406369 is about 609.4848010391.

The spelling of 226406369 in words is "two hundred twenty-six million, four hundred six thousand, three hundred sixty-nine".