226387 has 4 divisors (see below), whose sum is σ = 258736. Its totient is φ = 194040.

The previous prime is 226381. The next prime is 226397. The reversal of 226387 is 783622.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 226387 - 2³ = 226379 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 (226381) 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, 16164 + ... + 16177.

It is an arithmetic number, because the mean of its divisors is an integer number (64684).

2²²⁶³⁸⁷ is an apocalyptic number.

226387 is a deficient number, since it is larger than the sum of its proper divisors (32349).

226387 is an equidigital number, since it uses as much as digits as its factorization.

226387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32348.

The product of its digits is 4032, while the sum is 28.

The square root of 226387 is about 475.8014291698. The cubic root of 226387 is about 60.9467420127.

The spelling of 226387 in words is "two hundred twenty-six thousand, three hundred eighty-seven".