226857 has 4 divisors (see below), whose sum is σ = 302480. Its totient is φ = 151236.

The previous prime is 226843. The next prime is 226871. The reversal of 226857 is 758622.

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 an interprime number because it is at equal distance from previous prime (226843) and next prime (226871).

It is not a de Polignac number, because 226857 - 2⁸ = 226601 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226817) 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, 37807 + ... + 37812.

It is an arithmetic number, because the mean of its divisors is an integer number (75620).

2²²⁶⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

226857 is a deficient number, since it is larger than the sum of its proper divisors (75623).

226857 is an equidigital number, since it uses as much as digits as its factorization.

226857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75622.

The product of its digits is 6720, while the sum is 30.

The square root of 226857 is about 476.2950766069. The cubic root of 226857 is about 60.9888898515.

The spelling of 226857 in words is "two hundred twenty-six thousand, eight hundred fifty-seven".