226578413 has 4 divisors (see below), whose sum is σ = 226617888. Its totient is φ = 226538940.

The previous prime is 226578403. The next prime is 226578487. The reversal of 226578413 is 314875622.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 314875622 = 2 ⋅157437811.

It is a cyclic number.

It is not a de Polignac number, because 226578413 - 2¹⁰ = 226577389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226578403) 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, 9281 + ... + 23222.

It is an arithmetic number, because the mean of its divisors is an integer number (56654472).

Almost surely, 2^226578413 is an apocalyptic number.

It is an amenable number.

226578413 is a deficient number, since it is larger than the sum of its proper divisors (39475).

226578413 is an equidigital number, since it uses as much as digits as its factorization.

226578413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39474.

The product of its digits is 80640, while the sum is 38.

The square root of 226578413 is about 15052.5218152973. The cubic root of 226578413 is about 609.6391424776.

The spelling of 226578413 in words is "two hundred twenty-six million, five hundred seventy-eight thousand, four hundred thirteen".