226204591 has 4 divisors (see below), whose sum is σ = 226235152. Its totient is φ = 226174032.

The previous prime is 226204523. The next prime is 226204603. The reversal of 226204591 is 195402622.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 226204591 - 2⁹ = 226204079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226204991) 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, 3595 + ... + 21571.

It is an arithmetic number, because the mean of its divisors is an integer number (56558788).

Almost surely, 2^226204591 is an apocalyptic number.

226204591 is a deficient number, since it is larger than the sum of its proper divisors (30561).

226204591 is a wasteful number, since it uses less digits than its factorization.

226204591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30560.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 226204591 is about 15040.0994345117. The cubic root of 226204591 is about 609.3036854384.

The spelling of 226204591 in words is "two hundred twenty-six million, two hundred four thousand, five hundred ninety-one".