226684421 has 4 divisors (see below), whose sum is σ = 238615200. Its totient is φ = 214753644.

The previous prime is 226684399. The next prime is 226684427. The reversal of 226684421 is 124486622.

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 a cyclic number.

It is not a de Polignac number, because 226684421 - 2²⁶ = 159575557 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 (226684427) 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, 5965361 + ... + 5965398.

It is an arithmetic number, because the mean of its divisors is an integer number (59653800).

Almost surely, 2^226684421 is an apocalyptic number.

It is an amenable number.

226684421 is a deficient number, since it is larger than the sum of its proper divisors (11930779).

226684421 is a wasteful number, since it uses less digits than its factorization.

226684421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11930778.

The product of its digits is 36864, while the sum is 35.

The square root of 226684421 is about 15056.0426739565. The cubic root of 226684421 is about 609.7342038284.

The spelling of 226684421 in words is "two hundred twenty-six million, six hundred eighty-four thousand, four hundred twenty-one".