226401845 has 8 divisors (see below), whose sum is σ = 272453976. Its totient is φ = 180606976.

The previous prime is 226401803. The next prime is 226401871. The reversal of 226401845 is 548104622.

It can be written as a sum of positive squares in 4 ways, for example, as 380689 + 226021156 = 617^2 + 15034^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 226401845 - 2⁶ = 226401781 is a prime.

It is a Duffinian number.

It is a congruent 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, 62372 + ... + 65901.

It is an arithmetic number, because the mean of its divisors is an integer number (34056747).

Almost surely, 2^226401845 is an apocalyptic number.

It is an amenable number.

226401845 is a deficient number, since it is larger than the sum of its proper divisors (46052131).

226401845 is a wasteful number, since it uses less digits than its factorization.

226401845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128631.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 226401845 is about 15046.6556084733. The cubic root of 226401845 is about 609.4807414836.

The spelling of 226401845 in words is "two hundred twenty-six million, four hundred one thousand, eight hundred forty-five".